Home / 12,285,788.64-16,960,526.35-7,641,070.85

Finding the Fourth Proportional to 12,285,788.64, 16,960,526.35 and 7,641,070.85

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Solution

The fourth proportional to 12,285,788.64, 16,960,526.35 and 7,641,070.85 is: 10,548,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,788.64 : 16,960,526.35 = 7,641,070.85 : x
  2. Step 2: Convert to fraction form
    12,285,788.64/16,960,526.35 = 7,641,070.85/x
  3. Step 3: Cross multiply
    12,285,788.64x = 16,960,526.35 × 7,641,070.85
  4. Step 4: Simplify right side
    12,285,788.64x = 129,596,583,493,641.91
  5. Step 5: Solve for x
    x = 129,596,583,493,641.91/12,285,788.64
  6. Step 6: Final answer
    x = 10,548,495.28

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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.