Home / 22,779,497.48-31,435,686.05-12,858,468.89

Finding the Fourth Proportional to 22,779,497.48, 31,435,686.05 and 12,858,468.89

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Solution

The fourth proportional to 22,779,497.48, 31,435,686.05 and 12,858,468.89 is: 17,744,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779,497.48 : 31,435,686.05 = 12,858,468.89 : x
  2. Step 2: Convert to fraction form
    22,779,497.48/31,435,686.05 = 12,858,468.89/x
  3. Step 3: Cross multiply
    22,779,497.48x = 31,435,686.05 × 12,858,468.89
  4. Step 4: Simplify right side
    22,779,497.48x = 404,214,790,888,261.25
  5. Step 5: Solve for x
    x = 404,214,790,888,261.25/22,779,497.48
  6. Step 6: Final answer
    x = 17,744,675.51

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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.