Home / 9,665,675.90-13,326,250.50-7,916,902.91

Finding the Fourth Proportional to 9,665,675.90, 13,326,250.50 and 7,916,902.91

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Solution

The fourth proportional to 9,665,675.90, 13,326,250.50 and 7,916,902.91 is: 10,915,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665,675.90 : 13,326,250.50 = 7,916,902.91 : x
  2. Step 2: Convert to fraction form
    9,665,675.90/13,326,250.50 = 7,916,902.91/x
  3. Step 3: Cross multiply
    9,665,675.90x = 13,326,250.50 × 7,916,902.91
  4. Step 4: Simplify right side
    9,665,675.90x = 105,502,631,296,207.70
  5. Step 5: Solve for x
    x = 105,502,631,296,207.70/9,665,675.90
  6. Step 6: Final answer
    x = 10,915,184.04

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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.