Home / 30,608,314.28-42,241,382.52-16,857,274.76

Finding the Fourth Proportional to 30,608,314.28, 42,241,382.52 and 16,857,274.76

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Solution

The fourth proportional to 30,608,314.28, 42,241,382.52 and 16,857,274.76 is: 23,264,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,314.28 : 42,241,382.52 = 16,857,274.76 : x
  2. Step 2: Convert to fraction form
    30,608,314.28/42,241,382.52 = 16,857,274.76/x
  3. Step 3: Cross multiply
    30,608,314.28x = 42,241,382.52 × 16,857,274.76
  4. Step 4: Simplify right side
    30,608,314.28x = 712,074,591,381,901.38
  5. Step 5: Solve for x
    x = 712,074,591,381,901.38/30,608,314.28
  6. Step 6: Final answer
    x = 23,264,090.43

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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.