Home / 30,812,101-42,520,179.60-17,060,769.88

Finding the Fourth Proportional to 30,812,101, 42,520,179.60 and 17,060,769.88

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Solution

The fourth proportional to 30,812,101, 42,520,179.60 and 17,060,769.88 is: 23,543,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812,101 : 42,520,179.60 = 17,060,769.88 : x
  2. Step 2: Convert to fraction form
    30,812,101/42,520,179.60 = 17,060,769.88/x
  3. Step 3: Cross multiply
    30,812,101x = 42,520,179.60 × 17,060,769.88
  4. Step 4: Simplify right side
    30,812,101x = 725,426,999,411,870.38
  5. Step 5: Solve for x
    x = 725,426,999,411,870.38/30,812,101
  6. Step 6: Final answer
    x = 23,543,574.63

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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.