Home / 47,070,078.32-64,961,967.84-28,495,452.80

Finding the Fourth Proportional to 47,070,078.32, 64,961,967.84 and 28,495,452.80

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Solution

The fourth proportional to 47,070,078.32, 64,961,967.84 and 28,495,452.80 is: 39,326,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,070,078.32 : 64,961,967.84 = 28,495,452.80 : x
  2. Step 2: Convert to fraction form
    47,070,078.32/64,961,967.84 = 28,495,452.80/x
  3. Step 3: Cross multiply
    47,070,078.32x = 64,961,967.84 × 28,495,452.80
  4. Step 4: Simplify right side
    47,070,078.32x = 1,851,120,688,379,838
  5. Step 5: Solve for x
    x = 1,851,120,688,379,838/47,070,078.32
  6. Step 6: Final answer
    x = 39,326,909.04

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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.