Home / 8,316,942.40-12,479,560.80-4,725,467.20

Finding the Fourth Proportional to 8,316,942.40, 12,479,560.80 and 4,725,467.20

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Solution

The fourth proportional to 8,316,942.40, 12,479,560.80 and 4,725,467.20 is: 7,090,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,942.40 : 12,479,560.80 = 4,725,467.20 : x
  2. Step 2: Convert to fraction form
    8,316,942.40/12,479,560.80 = 4,725,467.20/x
  3. Step 3: Cross multiply
    8,316,942.40x = 12,479,560.80 × 4,725,467.20
  4. Step 4: Simplify right side
    8,316,942.40x = 58,971,755,230,805.77
  5. Step 5: Solve for x
    x = 58,971,755,230,805.77/8,316,942.40
  6. Step 6: Final answer
    x = 7,090,557.13

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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.