Home / 30,387,560.87-45,585,265.01-13,988,890.17

Finding the Fourth Proportional to 30,387,560.87, 45,585,265.01 and 13,988,890.17

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Solution

The fourth proportional to 30,387,560.87, 45,585,265.01 and 13,988,890.17 is: 20,985,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387,560.87 : 45,585,265.01 = 13,988,890.17 : x
  2. Step 2: Convert to fraction form
    30,387,560.87/45,585,265.01 = 13,988,890.17/x
  3. Step 3: Cross multiply
    30,387,560.87x = 45,585,265.01 × 13,988,890.17
  4. Step 4: Simplify right side
    30,387,560.87x = 637,687,265,525,289.50
  5. Step 5: Solve for x
    x = 637,687,265,525,289.50/30,387,560.87
  6. Step 6: Final answer
    x = 20,985,141.53

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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.