Home / 39,477,619.80-59,216,429.70-12,553,997.40

Finding the Fourth Proportional to 39,477,619.80, 59,216,429.70 and 12,553,997.40

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Solution

The fourth proportional to 39,477,619.80, 59,216,429.70 and 12,553,997.40 is: 18,830,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,477,619.80 : 59,216,429.70 = 12,553,997.40 : x
  2. Step 2: Convert to fraction form
    39,477,619.80/59,216,429.70 = 12,553,997.40/x
  3. Step 3: Cross multiply
    39,477,619.80x = 59,216,429.70 × 12,553,997.40
  4. Step 4: Simplify right side
    39,477,619.80x = 743,402,904,491,082.88
  5. Step 5: Solve for x
    x = 743,402,904,491,082.88/39,477,619.80
  6. Step 6: Final answer
    x = 18,830,996.10

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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.