Home / 28,567,184.22-42,852,397.41-9,138,116.79

Finding the Fourth Proportional to 28,567,184.22, 42,852,397.41 and 9,138,116.79

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Solution

The fourth proportional to 28,567,184.22, 42,852,397.41 and 9,138,116.79 is: 13,707,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567,184.22 : 42,852,397.41 = 9,138,116.79 : x
  2. Step 2: Convert to fraction form
    28,567,184.22/42,852,397.41 = 9,138,116.79/x
  3. Step 3: Cross multiply
    28,567,184.22x = 42,852,397.41 × 9,138,116.79
  4. Step 4: Simplify right side
    28,567,184.22x = 391,590,212,264,073.44
  5. Step 5: Solve for x
    x = 391,590,212,264,073.44/28,567,184.22
  6. Step 6: Final answer
    x = 13,707,693.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.