Home / 10,502,443.10-15,753,664.65-8,376,679.10

Finding the Fourth Proportional to 10,502,443.10, 15,753,664.65 and 8,376,679.10

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Solution

The fourth proportional to 10,502,443.10, 15,753,664.65 and 8,376,679.10 is: 12,565,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,443.10 : 15,753,664.65 = 8,376,679.10 : x
  2. Step 2: Convert to fraction form
    10,502,443.10/15,753,664.65 = 8,376,679.10/x
  3. Step 3: Cross multiply
    10,502,443.10x = 15,753,664.65 × 8,376,679.10
  4. Step 4: Simplify right side
    10,502,443.10x = 131,963,393,422,063.81
  5. Step 5: Solve for x
    x = 131,963,393,422,063.81/10,502,443.10
  6. Step 6: Final answer
    x = 12,565,018.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.