Home / 10,318,349.32-15,477,559.98-3,129,945.16

Finding the Fourth Proportional to 10,318,349.32, 15,477,559.98 and 3,129,945.16

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Solution

The fourth proportional to 10,318,349.32, 15,477,559.98 and 3,129,945.16 is: 4,694,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318,349.32 : 15,477,559.98 = 3,129,945.16 : x
  2. Step 2: Convert to fraction form
    10,318,349.32/15,477,559.98 = 3,129,945.16/x
  3. Step 3: Cross multiply
    10,318,349.32x = 15,477,559.98 × 3,129,945.16
  4. Step 4: Simplify right side
    10,318,349.32x = 48,443,913,948,010.70
  5. Step 5: Solve for x
    x = 48,443,913,948,010.70/10,318,349.32
  6. Step 6: Final answer
    x = 4,694,928.66

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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.