Home / 8,506,896.40-12,762,248.10-3,115,439.20

Finding the Fourth Proportional to 8,506,896.40, 12,762,248.10 and 3,115,439.20

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Solution

The fourth proportional to 8,506,896.40, 12,762,248.10 and 3,115,439.20 is: 4,673,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506,896.40 : 12,762,248.10 = 3,115,439.20 : x
  2. Step 2: Convert to fraction form
    8,506,896.40/12,762,248.10 = 3,115,439.20/x
  3. Step 3: Cross multiply
    8,506,896.40x = 12,762,248.10 × 3,115,439.20
  4. Step 4: Simplify right side
    8,506,896.40x = 39,760,008,010,865.52
  5. Step 5: Solve for x
    x = 39,760,008,010,865.52/8,506,896.40
  6. Step 6: Final answer
    x = 4,673,855.91

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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.