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Finding the Fourth Proportional to 7,849,998.72, 11,774,998.08 and 2,458,693.80

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Solution

The fourth proportional to 7,849,998.72, 11,774,998.08 and 2,458,693.80 is: 3,688,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849,998.72 : 11,774,998.08 = 2,458,693.80 : x
  2. Step 2: Convert to fraction form
    7,849,998.72/11,774,998.08 = 2,458,693.80/x
  3. Step 3: Cross multiply
    7,849,998.72x = 11,774,998.08 × 2,458,693.80
  4. Step 4: Simplify right side
    7,849,998.72x = 28,951,114,774,307.90
  5. Step 5: Solve for x
    x = 28,951,114,774,307.90/7,849,998.72
  6. Step 6: Final answer
    x = 3,688,040.70

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Similar ratio
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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.