Home / 13,590,488.19-18,754,631.15-7,395,323.61

Finding the Fourth Proportional to 13,590,488.19, 18,754,631.15 and 7,395,323.61

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Solution

The fourth proportional to 13,590,488.19, 18,754,631.15 and 7,395,323.61 is: 10,205,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,488.19 : 18,754,631.15 = 7,395,323.61 : x
  2. Step 2: Convert to fraction form
    13,590,488.19/18,754,631.15 = 7,395,323.61/x
  3. Step 3: Cross multiply
    13,590,488.19x = 18,754,631.15 × 7,395,323.61
  4. Step 4: Simplify right side
    13,590,488.19x = 138,696,566,503,459.84
  5. Step 5: Solve for x
    x = 138,696,566,503,459.84/13,590,488.19
  6. Step 6: Final answer
    x = 10,205,414.59

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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.