Home / 18,622,652.85-25,684,701.93-12,098,384.46

Finding the Fourth Proportional to 18,622,652.85, 25,684,701.93 and 12,098,384.46

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Solution

The fourth proportional to 18,622,652.85, 25,684,701.93 and 12,098,384.46 is: 16,686,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622,652.85 : 25,684,701.93 = 12,098,384.46 : x
  2. Step 2: Convert to fraction form
    18,622,652.85/25,684,701.93 = 12,098,384.46/x
  3. Step 3: Cross multiply
    18,622,652.85x = 25,684,701.93 × 12,098,384.46
  4. Step 4: Simplify right side
    18,622,652.85x = 310,743,398,689,644
  5. Step 5: Solve for x
    x = 310,743,398,689,644/18,622,652.85
  6. Step 6: Final answer
    x = 16,686,312.16

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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.