Home / 42,588,894.80-63,883,342.20-28,984,005.20

Finding the Fourth Proportional to 42,588,894.80, 63,883,342.20 and 28,984,005.20

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Solution

The fourth proportional to 42,588,894.80, 63,883,342.20 and 28,984,005.20 is: 43,476,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,588,894.80 : 63,883,342.20 = 28,984,005.20 : x
  2. Step 2: Convert to fraction form
    42,588,894.80/63,883,342.20 = 28,984,005.20/x
  3. Step 3: Cross multiply
    42,588,894.80x = 63,883,342.20 × 28,984,005.20
  4. Step 4: Simplify right side
    42,588,894.80x = 1,851,595,122,518,179.50
  5. Step 5: Solve for x
    x = 1,851,595,122,518,179.50/42,588,894.80
  6. Step 6: Final answer
    x = 43,476,007.80

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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.