Home / 30,506,850.74-42,102,050.37-17,278,380.83

Finding the Fourth Proportional to 30,506,850.74, 42,102,050.37 and 17,278,380.83

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Solution

The fourth proportional to 30,506,850.74, 42,102,050.37 and 17,278,380.83 is: 23,845,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506,850.74 : 42,102,050.37 = 17,278,380.83 : x
  2. Step 2: Convert to fraction form
    30,506,850.74/42,102,050.37 = 17,278,380.83/x
  3. Step 3: Cross multiply
    30,506,850.74x = 42,102,050.37 × 17,278,380.83
  4. Step 4: Simplify right side
    30,506,850.74x = 727,455,260,016,702.25
  5. Step 5: Solve for x
    x = 727,455,260,016,702.25/30,506,850.74
  6. Step 6: Final answer
    x = 23,845,636.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.