Home / 8,343,817.28-11,513,515.80-4,672,223.36

Finding the Fourth Proportional to 8,343,817.28, 11,513,515.80 and 4,672,223.36

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Solution

The fourth proportional to 8,343,817.28, 11,513,515.80 and 4,672,223.36 is: 6,447,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343,817.28 : 11,513,515.80 = 4,672,223.36 : x
  2. Step 2: Convert to fraction form
    8,343,817.28/11,513,515.80 = 4,672,223.36/x
  3. Step 3: Cross multiply
    8,343,817.28x = 11,513,515.80 × 4,672,223.36
  4. Step 4: Simplify right side
    8,343,817.28x = 53,793,717,476,489.09
  5. Step 5: Solve for x
    x = 53,793,717,476,489.09/8,343,817.28
  6. Step 6: Final answer
    x = 6,447,135.13

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1.5x scale

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.