Home / 8,587,848.30-12,881,772.45-8,219,265.90

Finding the Fourth Proportional to 8,587,848.30, 12,881,772.45 and 8,219,265.90

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Solution

The fourth proportional to 8,587,848.30, 12,881,772.45 and 8,219,265.90 is: 12,328,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,848.30 : 12,881,772.45 = 8,219,265.90 : x
  2. Step 2: Convert to fraction form
    8,587,848.30/12,881,772.45 = 8,219,265.90/x
  3. Step 3: Cross multiply
    8,587,848.30x = 12,881,772.45 × 8,219,265.90
  4. Step 4: Simplify right side
    8,587,848.30x = 105,878,713,029,844.45
  5. Step 5: Solve for x
    x = 105,878,713,029,844.45/8,587,848.30
  6. Step 6: Final answer
    x = 12,328,898.85

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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.