Home / 21,117,613.24-29,142,306.52-11,459,821.24

Finding the Fourth Proportional to 21,117,613.24, 29,142,306.52 and 11,459,821.24

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Solution

The fourth proportional to 21,117,613.24, 29,142,306.52 and 11,459,821.24 is: 15,814,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,117,613.24 : 29,142,306.52 = 11,459,821.24 : x
  2. Step 2: Convert to fraction form
    21,117,613.24/29,142,306.52 = 11,459,821.24/x
  3. Step 3: Cross multiply
    21,117,613.24x = 29,142,306.52 × 11,459,821.24
  4. Step 4: Simplify right side
    21,117,613.24x = 333,965,623,240,486.50
  5. Step 5: Solve for x
    x = 333,965,623,240,486.50/21,117,613.24
  6. Step 6: Final answer
    x = 15,814,553.45

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1.5x scale

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.