Home / 8,657,305.76-12,985,826.88-2,977,579.28

Finding the Fourth Proportional to 8,657,305.76, 12,985,826.88 and 2,977,579.28

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Solution

The fourth proportional to 8,657,305.76, 12,985,826.88 and 2,977,579.28 is: 4,466,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,305.76 : 12,985,826.88 = 2,977,579.28 : x
  2. Step 2: Convert to fraction form
    8,657,305.76/12,985,826.88 = 2,977,579.28/x
  3. Step 3: Cross multiply
    8,657,305.76x = 12,985,826.88 × 2,977,579.28
  4. Step 4: Simplify right side
    8,657,305.76x = 38,666,329,051,555.05
  5. Step 5: Solve for x
    x = 38,666,329,051,555.05/8,657,305.76
  6. Step 6: Final answer
    x = 4,466,323.60

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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.