Home / 8,749,031.60-13,123,547.40-5,347,809.20

Finding the Fourth Proportional to 8,749,031.60, 13,123,547.40 and 5,347,809.20

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Solution

The fourth proportional to 8,749,031.60, 13,123,547.40 and 5,347,809.20 is: 8,021,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,031.60 : 13,123,547.40 = 5,347,809.20 : x
  2. Step 2: Convert to fraction form
    8,749,031.60/13,123,547.40 = 5,347,809.20/x
  3. Step 3: Cross multiply
    8,749,031.60x = 13,123,547.40 × 5,347,809.20
  4. Step 4: Simplify right side
    8,749,031.60x = 70,182,227,522,356.09
  5. Step 5: Solve for x
    x = 70,182,227,522,356.09/8,749,031.60
  6. Step 6: Final answer
    x = 8,021,713.80

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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.