Home / 10,788,949.32-14,889,042.76-6,440,560.44

Finding the Fourth Proportional to 10,788,949.32, 14,889,042.76 and 6,440,560.44

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Solution

The fourth proportional to 10,788,949.32, 14,889,042.76 and 6,440,560.44 is: 8,888,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788,949.32 : 14,889,042.76 = 6,440,560.44 : x
  2. Step 2: Convert to fraction form
    10,788,949.32/14,889,042.76 = 6,440,560.44/x
  3. Step 3: Cross multiply
    10,788,949.32x = 14,889,042.76 × 6,440,560.44
  4. Step 4: Simplify right side
    10,788,949.32x = 95,893,779,789,524.42
  5. Step 5: Solve for x
    x = 95,893,779,789,524.42/10,788,949.32
  6. Step 6: Final answer
    x = 8,888,148.14

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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.