Home / 30,363,117.30-45,565,671.15-21,849,563.70

Finding the Fourth Proportional to 30,363,117.30, 45,565,671.15 and 21,849,563.70

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Solution

The fourth proportional to 30,363,117.30, 45,565,671.15 and 21,849,563.70 is: 32,789,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363,117.30 : 45,565,671.15 = 21,849,563.70 : x
  2. Step 2: Convert to fraction form
    30,363,117.30/45,565,671.15 = 21,849,563.70/x
  3. Step 3: Cross multiply
    30,363,117.30x = 45,565,671.15 × 21,849,563.70
  4. Step 4: Simplify right side
    30,363,117.30x = 995,590,034,325,177.25
  5. Step 5: Solve for x
    x = 995,590,034,325,177.25/30,363,117.30
  6. Step 6: Final answer
    x = 32,789,453.88

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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.