Home / 10,853,318.10-16,298,639.55-7,680,710.10

Finding the Fourth Proportional to 10,853,318.10, 16,298,639.55 and 7,680,710.10

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Solution

The fourth proportional to 10,853,318.10, 16,298,639.55 and 7,680,710.10 is: 11,534,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853,318.10 : 16,298,639.55 = 7,680,710.10 : x
  2. Step 2: Convert to fraction form
    10,853,318.10/16,298,639.55 = 7,680,710.10/x
  3. Step 3: Cross multiply
    10,853,318.10x = 16,298,639.55 × 7,680,710.10
  4. Step 4: Simplify right side
    10,853,318.10x = 125,185,125,407,944.45
  5. Step 5: Solve for x
    x = 125,185,125,407,944.45/10,853,318.10
  6. Step 6: Final answer
    x = 11,534,272.22

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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.