Home / 10,659,030.60-15,988,545.90-7,257,808.20

Finding the Fourth Proportional to 10,659,030.60, 15,988,545.90 and 7,257,808.20

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Solution

The fourth proportional to 10,659,030.60, 15,988,545.90 and 7,257,808.20 is: 10,886,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659,030.60 : 15,988,545.90 = 7,257,808.20 : x
  2. Step 2: Convert to fraction form
    10,659,030.60/15,988,545.90 = 7,257,808.20/x
  3. Step 3: Cross multiply
    10,659,030.60x = 15,988,545.90 × 7,257,808.20
  4. Step 4: Simplify right side
    10,659,030.60x = 116,041,799,539,096.39
  5. Step 5: Solve for x
    x = 116,041,799,539,096.39/10,659,030.60
  6. Step 6: Final answer
    x = 10,886,712.30

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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.