Home / 38,421,314.01-53,021,395.53-21,017,654.42

Finding the Fourth Proportional to 38,421,314.01, 53,021,395.53 and 21,017,654.42

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Solution

The fourth proportional to 38,421,314.01, 53,021,395.53 and 21,017,654.42 is: 29,004,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421,314.01 : 53,021,395.53 = 21,017,654.42 : x
  2. Step 2: Convert to fraction form
    38,421,314.01/53,021,395.53 = 21,017,654.42/x
  3. Step 3: Cross multiply
    38,421,314.01x = 53,021,395.53 × 21,017,654.42
  4. Step 4: Simplify right side
    38,421,314.01x = 1,114,385,367,850,565.75
  5. Step 5: Solve for x
    x = 1,114,385,367,850,565.75/38,421,314.01
  6. Step 6: Final answer
    x = 29,004,353.35

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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.