Home / 38,423,359.56-53,024,654.72-21,019,331.12

Finding the Fourth Proportional to 38,423,359.56, 53,024,654.72 and 21,019,331.12

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Solution

The fourth proportional to 38,423,359.56, 53,024,654.72 and 21,019,331.12 is: 29,006,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423,359.56 : 53,024,654.72 = 21,019,331.12 : x
  2. Step 2: Convert to fraction form
    38,423,359.56/53,024,654.72 = 21,019,331.12/x
  3. Step 3: Cross multiply
    38,423,359.56x = 53,024,654.72 × 21,019,331.12
  4. Step 4: Simplify right side
    38,423,359.56x = 1,114,542,774,713,131
  5. Step 5: Solve for x
    x = 1,114,542,774,713,131/38,423,359.56
  6. Step 6: Final answer
    x = 29,006,905.89

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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.