Home / 15,826,267.32-21,839,779.68-8,762,175.29

Finding the Fourth Proportional to 15,826,267.32, 21,839,779.68 and 8,762,175.29

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Solution

The fourth proportional to 15,826,267.32, 21,839,779.68 and 8,762,175.29 is: 12,091,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826,267.32 : 21,839,779.68 = 8,762,175.29 : x
  2. Step 2: Convert to fraction form
    15,826,267.32/21,839,779.68 = 8,762,175.29/x
  3. Step 3: Cross multiply
    15,826,267.32x = 21,839,779.68 × 8,762,175.29
  4. Step 4: Simplify right side
    15,826,267.32x = 191,363,977,905,739.56
  5. Step 5: Solve for x
    x = 191,363,977,905,739.56/15,826,267.32
  6. Step 6: Final answer
    x = 12,091,542.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.