Home / 12,605,456.65-17,395,293.95-7,710,319.15

Finding the Fourth Proportional to 12,605,456.65, 17,395,293.95 and 7,710,319.15

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Solution

The fourth proportional to 12,605,456.65, 17,395,293.95 and 7,710,319.15 is: 10,640,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605,456.65 : 17,395,293.95 = 7,710,319.15 : x
  2. Step 2: Convert to fraction form
    12,605,456.65/17,395,293.95 = 7,710,319.15/x
  3. Step 3: Cross multiply
    12,605,456.65x = 17,395,293.95 × 7,710,319.15
  4. Step 4: Simplify right side
    12,605,456.65x = 134,123,268,107,286.55
  5. Step 5: Solve for x
    x = 134,123,268,107,286.55/12,605,456.65
  6. Step 6: Final answer
    x = 10,640,095.94

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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.