Home / 16,878,861.56-25,290,612.60-7,155,705.56

Finding the Fourth Proportional to 16,878,861.56, 25,290,612.60 and 7,155,705.56

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Solution

The fourth proportional to 16,878,861.56, 25,290,612.60 and 7,155,705.56 is: 10,721,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878,861.56 : 25,290,612.60 = 7,155,705.56 : x
  2. Step 2: Convert to fraction form
    16,878,861.56/25,290,612.60 = 7,155,705.56/x
  3. Step 3: Cross multiply
    16,878,861.56x = 25,290,612.60 × 7,155,705.56
  4. Step 4: Simplify right side
    16,878,861.56x = 180,972,177,197,626.06
  5. Step 5: Solve for x
    x = 180,972,177,197,626.06/16,878,861.56
  6. Step 6: Final answer
    x = 10,721,823.66

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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.