Home / 10,123,201.80-15,186,114.90-5,008,246.20

Finding the Fourth Proportional to 10,123,201.80, 15,186,114.90 and 5,008,246.20

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Solution

The fourth proportional to 10,123,201.80, 15,186,114.90 and 5,008,246.20 is: 7,513,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123,201.80 : 15,186,114.90 = 5,008,246.20 : x
  2. Step 2: Convert to fraction form
    10,123,201.80/15,186,114.90 = 5,008,246.20/x
  3. Step 3: Cross multiply
    10,123,201.80x = 15,186,114.90 × 5,008,246.20
  4. Step 4: Simplify right side
    10,123,201.80x = 76,055,802,240,688.39
  5. Step 5: Solve for x
    x = 76,055,802,240,688.39/10,123,201.80
  6. Step 6: Final answer
    x = 7,513,018.48

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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.