Home / 8,517,322.40-12,779,612.40-4,476,912.80

Finding the Fourth Proportional to 8,517,322.40, 12,779,612.40 and 4,476,912.80

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Solution

The fourth proportional to 8,517,322.40, 12,779,612.40 and 4,476,912.80 is: 6,717,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,322.40 : 12,779,612.40 = 4,476,912.80 : x
  2. Step 2: Convert to fraction form
    8,517,322.40/12,779,612.40 = 4,476,912.80/x
  3. Step 3: Cross multiply
    8,517,322.40x = 12,779,612.40 × 4,476,912.80
  4. Step 4: Simplify right side
    8,517,322.40x = 57,213,210,332,598.72
  5. Step 5: Solve for x
    x = 57,213,210,332,598.72/8,517,322.40
  6. Step 6: Final answer
    x = 6,717,276.59

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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.