Home / 15,241,042.40-21,029,925.24-8,625,599.76

Finding the Fourth Proportional to 15,241,042.40, 21,029,925.24 and 8,625,599.76

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Solution

The fourth proportional to 15,241,042.40, 21,029,925.24 and 8,625,599.76 is: 11,901,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241,042.40 : 21,029,925.24 = 8,625,599.76 : x
  2. Step 2: Convert to fraction form
    15,241,042.40/21,029,925.24 = 8,625,599.76/x
  3. Step 3: Cross multiply
    15,241,042.40x = 21,029,925.24 × 8,625,599.76
  4. Step 4: Simplify right side
    15,241,042.40x = 181,395,718,102,961.94
  5. Step 5: Solve for x
    x = 181,395,718,102,961.94/15,241,042.40
  6. Step 6: Final answer
    x = 11,901,792.10

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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.