Home / 28,608,450.86-42,908,634.02-9,175,151.30

Finding the Fourth Proportional to 28,608,450.86, 42,908,634.02 and 9,175,151.30

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Solution

The fourth proportional to 28,608,450.86, 42,908,634.02 and 9,175,151.30 is: 13,761,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,450.86 : 42,908,634.02 = 9,175,151.30 : x
  2. Step 2: Convert to fraction form
    28,608,450.86/42,908,634.02 = 9,175,151.30/x
  3. Step 3: Cross multiply
    28,608,450.86x = 42,908,634.02 × 9,175,151.30
  4. Step 4: Simplify right side
    28,608,450.86x = 393,693,209,018,221.94
  5. Step 5: Solve for x
    x = 393,693,209,018,221.94/28,608,450.86
  6. Step 6: Final answer
    x = 13,761,430.53

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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.