Home / 11,478,759.28-15,840,368.40-6,251,652.80

Finding the Fourth Proportional to 11,478,759.28, 15,840,368.40 and 6,251,652.80

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Solution

The fourth proportional to 11,478,759.28, 15,840,368.40 and 6,251,652.80 is: 8,627,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,759.28 : 15,840,368.40 = 6,251,652.80 : x
  2. Step 2: Convert to fraction form
    11,478,759.28/15,840,368.40 = 6,251,652.80/x
  3. Step 3: Cross multiply
    11,478,759.28x = 15,840,368.40 × 6,251,652.80
  4. Step 4: Simplify right side
    11,478,759.28x = 99,028,483,464,534.77
  5. Step 5: Solve for x
    x = 99,028,483,464,534.77/11,478,759.28
  6. Step 6: Final answer
    x = 8,627,106.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.