Home / 47,070,076.32-64,961,965.08-28,495,450.80

Finding the Fourth Proportional to 47,070,076.32, 64,961,965.08 and 28,495,450.80

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Solution

The fourth proportional to 47,070,076.32, 64,961,965.08 and 28,495,450.80 is: 39,326,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,070,076.32 : 64,961,965.08 = 28,495,450.80 : x
  2. Step 2: Convert to fraction form
    47,070,076.32/64,961,965.08 = 28,495,450.80/x
  3. Step 3: Cross multiply
    47,070,076.32x = 64,961,965.08 × 28,495,450.80
  4. Step 4: Simplify right side
    47,070,076.32x = 1,851,120,479,808,458
  5. Step 5: Solve for x
    x = 1,851,120,479,808,458/47,070,076.32
  6. Step 6: Final answer
    x = 39,326,906.28

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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.