Home / 28,392,603.20-42,588,904.80-17,643,060.80

Finding the Fourth Proportional to 28,392,603.20, 42,588,904.80 and 17,643,060.80

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Solution

The fourth proportional to 28,392,603.20, 42,588,904.80 and 17,643,060.80 is: 26,464,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,603.20 : 42,588,904.80 = 17,643,060.80 : x
  2. Step 2: Convert to fraction form
    28,392,603.20/42,588,904.80 = 17,643,060.80/x
  3. Step 3: Cross multiply
    28,392,603.20x = 42,588,904.80 × 17,643,060.80
  4. Step 4: Simplify right side
    28,392,603.20x = 751,398,636,791,811.88
  5. Step 5: Solve for x
    x = 751,398,636,791,811.88/28,392,603.20
  6. Step 6: Final answer
    x = 26,464,591.20

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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.