Home / 10,371,021.40-15,556,532.10-8,575,931.80

Finding the Fourth Proportional to 10,371,021.40, 15,556,532.10 and 8,575,931.80

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Solution

The fourth proportional to 10,371,021.40, 15,556,532.10 and 8,575,931.80 is: 12,863,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,021.40 : 15,556,532.10 = 8,575,931.80 : x
  2. Step 2: Convert to fraction form
    10,371,021.40/15,556,532.10 = 8,575,931.80/x
  3. Step 3: Cross multiply
    10,371,021.40x = 15,556,532.10 × 8,575,931.80
  4. Step 4: Simplify right side
    10,371,021.40x = 133,411,758,334,110.78
  5. Step 5: Solve for x
    x = 133,411,758,334,110.78/10,371,021.40
  6. Step 6: Final answer
    x = 12,863,897.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.