Home / 22,581,530.28-31,161,905.10-13,289,647.02

Finding the Fourth Proportional to 22,581,530.28, 31,161,905.10 and 13,289,647.02

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Solution

The fourth proportional to 22,581,530.28, 31,161,905.10 and 13,289,647.02 is: 18,339,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581,530.28 : 31,161,905.10 = 13,289,647.02 : x
  2. Step 2: Convert to fraction form
    22,581,530.28/31,161,905.10 = 13,289,647.02/x
  3. Step 3: Cross multiply
    22,581,530.28x = 31,161,905.10 × 13,289,647.02
  4. Step 4: Simplify right side
    22,581,530.28x = 414,130,719,249,737.81
  5. Step 5: Solve for x
    x = 414,130,719,249,737.81/22,581,530.28
  6. Step 6: Final answer
    x = 18,339,355.84

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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.