Home / 47,371,135.80-65,344,880.88-28,519,594.86

Finding the Fourth Proportional to 47,371,135.80, 65,344,880.88 and 28,519,594.86

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Solution

The fourth proportional to 47,371,135.80, 65,344,880.88 and 28,519,594.86 is: 39,340,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,371,135.80 : 65,344,880.88 = 28,519,594.86 : x
  2. Step 2: Convert to fraction form
    47,371,135.80/65,344,880.88 = 28,519,594.86/x
  3. Step 3: Cross multiply
    47,371,135.80x = 65,344,880.88 × 28,519,594.86
  4. Step 4: Simplify right side
    47,371,135.80x = 1,863,609,528,872,560.25
  5. Step 5: Solve for x
    x = 1,863,609,528,872,560.25/47,371,135.80
  6. Step 6: Final answer
    x = 39,340,613.17

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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.