Home / 12,927,948.25-17,840,688.92-7,126,937.58

Finding the Fourth Proportional to 12,927,948.25, 17,840,688.92 and 7,126,937.58

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Solution

The fourth proportional to 12,927,948.25, 17,840,688.92 and 7,126,937.58 is: 9,835,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,948.25 : 17,840,688.92 = 7,126,937.58 : x
  2. Step 2: Convert to fraction form
    12,927,948.25/17,840,688.92 = 7,126,937.58/x
  3. Step 3: Cross multiply
    12,927,948.25x = 17,840,688.92 × 7,126,937.58
  4. Step 4: Simplify right side
    12,927,948.25x = 127,149,476,281,402.92
  5. Step 5: Solve for x
    x = 127,149,476,281,402.92/12,927,948.25
  6. Step 6: Final answer
    x = 9,835,240.20

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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.