Home / 13,711,054.72-18,911,429.76-9,059,451.52

Finding the Fourth Proportional to 13,711,054.72, 18,911,429.76 and 9,059,451.52

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Solution

The fourth proportional to 13,711,054.72, 18,911,429.76 and 9,059,451.52 is: 12,495,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711,054.72 : 18,911,429.76 = 9,059,451.52 : x
  2. Step 2: Convert to fraction form
    13,711,054.72/18,911,429.76 = 9,059,451.52/x
  3. Step 3: Cross multiply
    13,711,054.72x = 18,911,429.76 × 9,059,451.52
  4. Step 4: Simplify right side
    13,711,054.72x = 171,327,181,084,605.25
  5. Step 5: Solve for x
    x = 171,327,181,084,605.25/13,711,054.72
  6. Step 6: Final answer
    x = 12,495,550.82

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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.