Home / 30,810,080.52-42,518,433.12-16,871,211.72

Finding the Fourth Proportional to 30,810,080.52, 42,518,433.12 and 16,871,211.72

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Solution

The fourth proportional to 30,810,080.52, 42,518,433.12 and 16,871,211.72 is: 23,282,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,810,080.52 : 42,518,433.12 = 16,871,211.72 : x
  2. Step 2: Convert to fraction form
    30,810,080.52/42,518,433.12 = 16,871,211.72/x
  3. Step 3: Cross multiply
    30,810,080.52x = 42,518,433.12 × 16,871,211.72
  4. Step 4: Simplify right side
    30,810,080.52x = 717,337,487,170,180.12
  5. Step 5: Solve for x
    x = 717,337,487,170,180.12/30,810,080.52
  6. Step 6: Final answer
    x = 23,282,558.02

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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.