Home / 10,078,001.40-15,117,002.10-5,527,291.80

Finding the Fourth Proportional to 10,078,001.40, 15,117,002.10 and 5,527,291.80

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Solution

The fourth proportional to 10,078,001.40, 15,117,002.10 and 5,527,291.80 is: 8,290,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,001.40 : 15,117,002.10 = 5,527,291.80 : x
  2. Step 2: Convert to fraction form
    10,078,001.40/15,117,002.10 = 5,527,291.80/x
  3. Step 3: Cross multiply
    10,078,001.40x = 15,117,002.10 × 5,527,291.80
  4. Step 4: Simplify right side
    10,078,001.40x = 83,556,081,747,912.78
  5. Step 5: Solve for x
    x = 83,556,081,747,912.78/10,078,001.40
  6. Step 6: Final answer
    x = 8,290,937.70

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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.