Home / 22,909,350.48-31,613,020.20-13,488,643.92

Finding the Fourth Proportional to 22,909,350.48, 31,613,020.20 and 13,488,643.92

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Solution

The fourth proportional to 22,909,350.48, 31,613,020.20 and 13,488,643.92 is: 18,613,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909,350.48 : 31,613,020.20 = 13,488,643.92 : x
  2. Step 2: Convert to fraction form
    22,909,350.48/31,613,020.20 = 13,488,643.92/x
  3. Step 3: Cross multiply
    22,909,350.48x = 31,613,020.20 × 13,488,643.92
  4. Step 4: Simplify right side
    22,909,350.48x = 426,416,772,713,567.19
  5. Step 5: Solve for x
    x = 426,416,772,713,567.19/22,909,350.48
  6. Step 6: Final answer
    x = 18,613,219.66

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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.