Home / 8,146,877.10-12,220,315.65-8,020,905.90

Finding the Fourth Proportional to 8,146,877.10, 12,220,315.65 and 8,020,905.90

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Solution

The fourth proportional to 8,146,877.10, 12,220,315.65 and 8,020,905.90 is: 12,031,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146,877.10 : 12,220,315.65 = 8,020,905.90 : x
  2. Step 2: Convert to fraction form
    8,146,877.10/12,220,315.65 = 8,020,905.90/x
  3. Step 3: Cross multiply
    8,146,877.10x = 12,220,315.65 × 8,020,905.90
  4. Step 4: Simplify right side
    8,146,877.10x = 98,018,001,896,947.34
  5. Step 5: Solve for x
    x = 98,018,001,896,947.34/8,146,877.10
  6. Step 6: Final answer
    x = 12,031,358.85

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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.