Home / 28,392,596.20-42,588,894.30-17,643,053.80

Finding the Fourth Proportional to 28,392,596.20, 42,588,894.30 and 17,643,053.80

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Solution

The fourth proportional to 28,392,596.20, 42,588,894.30 and 17,643,053.80 is: 26,464,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,596.20 : 42,588,894.30 = 17,643,053.80 : x
  2. Step 2: Convert to fraction form
    28,392,596.20/42,588,894.30 = 17,643,053.80/x
  3. Step 3: Cross multiply
    28,392,596.20x = 42,588,894.30 × 17,643,053.80
  4. Step 4: Simplify right side
    28,392,596.20x = 751,398,153,417,413.38
  5. Step 5: Solve for x
    x = 751,398,153,417,413.38/28,392,596.20
  6. Step 6: Final answer
    x = 26,464,580.70

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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.