Home / 21,026,154.03-29,010,609.32-12,319,648.71

Finding the Fourth Proportional to 21,026,154.03, 29,010,609.32 and 12,319,648.71

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Solution

The fourth proportional to 21,026,154.03, 29,010,609.32 and 12,319,648.71 is: 16,997,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,154.03 : 29,010,609.32 = 12,319,648.71 : x
  2. Step 2: Convert to fraction form
    21,026,154.03/29,010,609.32 = 12,319,648.71/x
  3. Step 3: Cross multiply
    21,026,154.03x = 29,010,609.32 × 12,319,648.71
  4. Step 4: Simplify right side
    21,026,154.03x = 357,400,515,623,853.75
  5. Step 5: Solve for x
    x = 357,400,515,623,853.75/21,026,154.03
  6. Step 6: Final answer
    x = 16,997,902.47

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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.