Home / 10,430,139.60-15,645,209.40-6,837,992.10

Finding the Fourth Proportional to 10,430,139.60, 15,645,209.40 and 6,837,992.10

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Solution

The fourth proportional to 10,430,139.60, 15,645,209.40 and 6,837,992.10 is: 10,256,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,139.60 : 15,645,209.40 = 6,837,992.10 : x
  2. Step 2: Convert to fraction form
    10,430,139.60/15,645,209.40 = 6,837,992.10/x
  3. Step 3: Cross multiply
    10,430,139.60x = 15,645,209.40 × 6,837,992.10
  4. Step 4: Simplify right side
    10,430,139.60x = 106,981,818,280,045.73
  5. Step 5: Solve for x
    x = 106,981,818,280,045.73/10,430,139.60
  6. Step 6: Final answer
    x = 10,256,988.15

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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.