Home / 10,866,917.80-16,300,376.70-7,087,781.80

Finding the Fourth Proportional to 10,866,917.80, 16,300,376.70 and 7,087,781.80

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Solution

The fourth proportional to 10,866,917.80, 16,300,376.70 and 7,087,781.80 is: 10,631,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,917.80 : 16,300,376.70 = 7,087,781.80 : x
  2. Step 2: Convert to fraction form
    10,866,917.80/16,300,376.70 = 7,087,781.80/x
  3. Step 3: Cross multiply
    10,866,917.80x = 16,300,376.70 × 7,087,781.80
  4. Step 4: Simplify right side
    10,866,917.80x = 115,533,513,307,404.05
  5. Step 5: Solve for x
    x = 115,533,513,307,404.05/10,866,917.80
  6. Step 6: Final answer
    x = 10,631,672.70

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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.