Home / 8,889,787.90-13,334,681.85-7,965,999.10

Finding the Fourth Proportional to 8,889,787.90, 13,334,681.85 and 7,965,999.10

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Solution

The fourth proportional to 8,889,787.90, 13,334,681.85 and 7,965,999.10 is: 11,948,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,787.90 : 13,334,681.85 = 7,965,999.10 : x
  2. Step 2: Convert to fraction form
    8,889,787.90/13,334,681.85 = 7,965,999.10/x
  3. Step 3: Cross multiply
    8,889,787.90x = 13,334,681.85 × 7,965,999.10
  4. Step 4: Simplify right side
    8,889,787.90x = 106,224,063,615,886.33
  5. Step 5: Solve for x
    x = 106,224,063,615,886.33/8,889,787.90
  6. Step 6: Final answer
    x = 11,948,998.65

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Double scale
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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.