Home / 40,004,763.60-60,007,145.40-13,081,141.20

Finding the Fourth Proportional to 40,004,763.60, 60,007,145.40 and 13,081,141.20

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Solution

The fourth proportional to 40,004,763.60, 60,007,145.40 and 13,081,141.20 is: 19,621,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,004,763.60 : 60,007,145.40 = 13,081,141.20 : x
  2. Step 2: Convert to fraction form
    40,004,763.60/60,007,145.40 = 13,081,141.20/x
  3. Step 3: Cross multiply
    40,004,763.60x = 60,007,145.40 × 13,081,141.20
  4. Step 4: Simplify right side
    40,004,763.60x = 784,961,941,986,330.38
  5. Step 5: Solve for x
    x = 784,961,941,986,330.38/40,004,763.60
  6. Step 6: Final answer
    x = 19,621,711.80

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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.