Home / 38,779,523-53,518,136.04-21,375,828.96

Finding the Fourth Proportional to 38,779,523, 53,518,136.04 and 21,375,828.96

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Solution

The fourth proportional to 38,779,523, 53,518,136.04 and 21,375,828.96 is: 29,499,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779,523 : 53,518,136.04 = 21,375,828.96 : x
  2. Step 2: Convert to fraction form
    38,779,523/53,518,136.04 = 21,375,828.96/x
  3. Step 3: Cross multiply
    38,779,523x = 53,518,136.04 × 21,375,828.96
  4. Step 4: Simplify right side
    38,779,523x = 1,143,994,522,249,051.75
  5. Step 5: Solve for x
    x = 1,143,994,522,249,051.75/38,779,523
  6. Step 6: Final answer
    x = 29,499,963.74

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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.