Home / 15,138,010.67-20,917,781.11-10,779,530.17

Finding the Fourth Proportional to 15,138,010.67, 20,917,781.11 and 10,779,530.17

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Solution

The fourth proportional to 15,138,010.67, 20,917,781.11 and 10,779,530.17 is: 14,895,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138,010.67 : 20,917,781.11 = 10,779,530.17 : x
  2. Step 2: Convert to fraction form
    15,138,010.67/20,917,781.11 = 10,779,530.17/x
  3. Step 3: Cross multiply
    15,138,010.67x = 20,917,781.11 × 10,779,530.17
  4. Step 4: Simplify right side
    15,138,010.67x = 225,483,852,565,101.88
  5. Step 5: Solve for x
    x = 225,483,852,565,101.88/15,138,010.67
  6. Step 6: Final answer
    x = 14,895,210.31

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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.