Home / 38,423,379.34-53,024,681.91-21,019,350.88

Finding the Fourth Proportional to 38,423,379.34, 53,024,681.91 and 21,019,350.88

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Solution

The fourth proportional to 38,423,379.34, 53,024,681.91 and 21,019,350.88 is: 29,006,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423,379.34 : 53,024,681.91 = 21,019,350.88 : x
  2. Step 2: Convert to fraction form
    38,423,379.34/53,024,681.91 = 21,019,350.88/x
  3. Step 3: Cross multiply
    38,423,379.34x = 53,024,681.91 × 21,019,350.88
  4. Step 4: Simplify right side
    38,423,379.34x = 1,114,544,394,366,678.50
  5. Step 5: Solve for x
    x = 1,114,544,394,366,678.50/38,423,379.34
  6. Step 6: Final answer
    x = 29,006,933.11

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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.