Home / 8,136,985.20-12,197,701.80-3,018,044.40

Finding the Fourth Proportional to 8,136,985.20, 12,197,701.80 and 3,018,044.40

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Solution

The fourth proportional to 8,136,985.20, 12,197,701.80 and 3,018,044.40 is: 4,524,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136,985.20 : 12,197,701.80 = 3,018,044.40 : x
  2. Step 2: Convert to fraction form
    8,136,985.20/12,197,701.80 = 3,018,044.40/x
  3. Step 3: Cross multiply
    8,136,985.20x = 12,197,701.80 × 3,018,044.40
  4. Step 4: Simplify right side
    8,136,985.20x = 36,813,205,610,359.92
  5. Step 5: Solve for x
    x = 36,813,205,610,359.92/8,136,985.20
  6. Step 6: Final answer
    x = 4,524,182.45

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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.