Home / 30,812,090-42,520,164.44-17,060,758.88

Finding the Fourth Proportional to 30,812,090, 42,520,164.44 and 17,060,758.88

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Solution

The fourth proportional to 30,812,090, 42,520,164.44 and 17,060,758.88 is: 23,543,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812,090 : 42,520,164.44 = 17,060,758.88 : x
  2. Step 2: Convert to fraction form
    30,812,090/42,520,164.44 = 17,060,758.88/x
  3. Step 3: Cross multiply
    30,812,090x = 42,520,164.44 × 17,060,758.88
  4. Step 4: Simplify right side
    30,812,090x = 725,426,273,048,790.12
  5. Step 5: Solve for x
    x = 725,426,273,048,790.12/30,812,090
  6. Step 6: Final answer
    x = 23,543,559.46

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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.