Home / 8,506,902.40-12,762,257.10-3,115,445.20

Finding the Fourth Proportional to 8,506,902.40, 12,762,257.10 and 3,115,445.20

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Solution

The fourth proportional to 8,506,902.40, 12,762,257.10 and 3,115,445.20 is: 4,673,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506,902.40 : 12,762,257.10 = 3,115,445.20 : x
  2. Step 2: Convert to fraction form
    8,506,902.40/12,762,257.10 = 3,115,445.20/x
  3. Step 3: Cross multiply
    8,506,902.40x = 12,762,257.10 × 3,115,445.20
  4. Step 4: Simplify right side
    8,506,902.40x = 39,760,112,623,360.92
  5. Step 5: Solve for x
    x = 39,760,112,623,360.92/8,506,902.40
  6. Step 6: Final answer
    x = 4,673,864.91

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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.