Home / 10,368,003.05-15,552,004.58-7,680,617.45

Finding the Fourth Proportional to 10,368,003.05, 15,552,004.58 and 7,680,617.45

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Solution

The fourth proportional to 10,368,003.05, 15,552,004.58 and 7,680,617.45 is: 11,520,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,003.05 : 15,552,004.58 = 7,680,617.45 : x
  2. Step 2: Convert to fraction form
    10,368,003.05/15,552,004.58 = 7,680,617.45/x
  3. Step 3: Cross multiply
    10,368,003.05x = 15,552,004.58 × 7,680,617.45
  4. Step 4: Simplify right side
    10,368,003.05x = 119,448,997,759,627.92
  5. Step 5: Solve for x
    x = 119,448,997,759,627.92/10,368,003.05
  6. Step 6: Final answer
    x = 11,520,926.18

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Double scale
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Similar ratio
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1.5x scale

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.