Home / 30,875,602.57-42,608,397.46-16,937,072.30

Finding the Fourth Proportional to 30,875,602.57, 42,608,397.46 and 16,937,072.30

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Solution

The fourth proportional to 30,875,602.57, 42,608,397.46 and 16,937,072.30 is: 23,373,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,875,602.57 : 42,608,397.46 = 16,937,072.30 : x
  2. Step 2: Convert to fraction form
    30,875,602.57/42,608,397.46 = 16,937,072.30/x
  3. Step 3: Cross multiply
    30,875,602.57x = 42,608,397.46 × 16,937,072.30
  4. Step 4: Simplify right side
    30,875,602.57x = 721,661,508,367,156.38
  5. Step 5: Solve for x
    x = 721,661,508,367,156.38/30,875,602.57
  6. Step 6: Final answer
    x = 23,373,195.93

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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.