Home / 10,931,808.70-16,407,627.45-5,544,207.10

Finding the Fourth Proportional to 10,931,808.70, 16,407,627.45 and 5,544,207.10

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Solution

The fourth proportional to 10,931,808.70, 16,407,627.45 and 5,544,207.10 is: 8,321,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,808.70 : 16,407,627.45 = 5,544,207.10 : x
  2. Step 2: Convert to fraction form
    10,931,808.70/16,407,627.45 = 5,544,207.10/x
  3. Step 3: Cross multiply
    10,931,808.70x = 16,407,627.45 × 5,544,207.10
  4. Step 4: Simplify right side
    10,931,808.70x = 90,967,284,602,444.89
  5. Step 5: Solve for x
    x = 90,967,284,602,444.89/10,931,808.70
  6. Step 6: Final answer
    x = 8,321,338.87

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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.