Home / 38,991,714.68-53,812,177.03-21,588,060.15

Finding the Fourth Proportional to 38,991,714.68, 53,812,177.03 and 21,588,060.15

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Solution

The fourth proportional to 38,991,714.68, 53,812,177.03 and 21,588,060.15 is: 29,793,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991,714.68 : 53,812,177.03 = 21,588,060.15 : x
  2. Step 2: Convert to fraction form
    38,991,714.68/53,812,177.03 = 21,588,060.15/x
  3. Step 3: Cross multiply
    38,991,714.68x = 53,812,177.03 × 21,588,060.15
  4. Step 4: Simplify right side
    38,991,714.68x = 1,161,700,514,526,088.25
  5. Step 5: Solve for x
    x = 1,161,700,514,526,088.25/38,991,714.68
  6. Step 6: Final answer
    x = 29,793,522.14

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Double scale
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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.