Home / 20,300,543.11-28,002,340.06-12,035,068.21

Finding the Fourth Proportional to 20,300,543.11, 28,002,340.06 and 12,035,068.21

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Solution

The fourth proportional to 20,300,543.11, 28,002,340.06 and 12,035,068.21 is: 16,601,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,300,543.11 : 28,002,340.06 = 12,035,068.21 : x
  2. Step 2: Convert to fraction form
    20,300,543.11/28,002,340.06 = 12,035,068.21/x
  3. Step 3: Cross multiply
    20,300,543.11x = 28,002,340.06 × 12,035,068.21
  4. Step 4: Simplify right side
    20,300,543.11x = 337,010,072,661,715.50
  5. Step 5: Solve for x
    x = 337,010,072,661,715.50/20,300,543.11
  6. Step 6: Final answer
    x = 16,601,037.26

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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.