Home / 18,202,139.55-25,118,803.28-9,942,207.10

Finding the Fourth Proportional to 18,202,139.55, 25,118,803.28 and 9,942,207.10

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Solution

The fourth proportional to 18,202,139.55, 25,118,803.28 and 9,942,207.10 is: 13,720,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202,139.55 : 25,118,803.28 = 9,942,207.10 : x
  2. Step 2: Convert to fraction form
    18,202,139.55/25,118,803.28 = 9,942,207.10/x
  3. Step 3: Cross multiply
    18,202,139.55x = 25,118,803.28 × 9,942,207.10
  4. Step 4: Simplify right side
    18,202,139.55x = 249,736,344,275,977.78
  5. Step 5: Solve for x
    x = 249,736,344,275,977.78/18,202,139.55
  6. Step 6: Final answer
    x = 13,720,164.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.