Home / 8,657,222.76-12,985,702.92-2,977,496.28

Finding the Fourth Proportional to 8,657,222.76, 12,985,702.92 and 2,977,496.28

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Solution

The fourth proportional to 8,657,222.76, 12,985,702.92 and 2,977,496.28 is: 4,466,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,222.76 : 12,985,702.92 = 2,977,496.28 : x
  2. Step 2: Convert to fraction form
    8,657,222.76/12,985,702.92 = 2,977,496.28/x
  3. Step 3: Cross multiply
    8,657,222.76x = 12,985,702.92 × 2,977,496.28
  4. Step 4: Simplify right side
    8,657,222.76x = 38,664,882,137,485.13
  5. Step 5: Solve for x
    x = 38,664,882,137,485.13/8,657,222.76
  6. Step 6: Final answer
    x = 4,466,199.29

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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.