Home / 10,429,807.80-15,613,218.90-9,170,095.80

Finding the Fourth Proportional to 10,429,807.80, 15,613,218.90 and 9,170,095.80

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Solution

The fourth proportional to 10,429,807.80, 15,613,218.90 and 9,170,095.80 is: 13,727,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,807.80 : 15,613,218.90 = 9,170,095.80 : x
  2. Step 2: Convert to fraction form
    10,429,807.80/15,613,218.90 = 9,170,095.80/x
  3. Step 3: Cross multiply
    10,429,807.80x = 15,613,218.90 × 9,170,095.80
  4. Step 4: Simplify right side
    10,429,807.80x = 143,174,713,059,370.62
  5. Step 5: Solve for x
    x = 143,174,713,059,370.62/10,429,807.80
  6. Step 6: Final answer
    x = 13,727,454.60

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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.