Home / 30,608,311.16-42,241,378.22-16,857,271.64

Finding the Fourth Proportional to 30,608,311.16, 42,241,378.22 and 16,857,271.64

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Solution

The fourth proportional to 30,608,311.16, 42,241,378.22 and 16,857,271.64 is: 23,264,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,311.16 : 42,241,378.22 = 16,857,271.64 : x
  2. Step 2: Convert to fraction form
    30,608,311.16/42,241,378.22 = 16,857,271.64/x
  3. Step 3: Cross multiply
    30,608,311.16x = 42,241,378.22 × 16,857,271.64
  4. Step 4: Simplify right side
    30,608,311.16x = 712,074,386,807,026.50
  5. Step 5: Solve for x
    x = 712,074,386,807,026.50/30,608,311.16
  6. Step 6: Final answer
    x = 23,264,086.12

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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.