Home / 13,612,522.23-18,785,282.40-7,417,569.92

Finding the Fourth Proportional to 13,612,522.23, 18,785,282.40 and 7,417,569.92

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Solution

The fourth proportional to 13,612,522.23, 18,785,282.40 and 7,417,569.92 is: 10,236,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,522.23 : 18,785,282.40 = 7,417,569.92 : x
  2. Step 2: Convert to fraction form
    13,612,522.23/18,785,282.40 = 7,417,569.92/x
  3. Step 3: Cross multiply
    13,612,522.23x = 18,785,282.40 × 7,417,569.92
  4. Step 4: Simplify right side
    13,612,522.23x = 139,341,145,575,018.98
  5. Step 5: Solve for x
    x = 139,341,145,575,018.98/13,612,522.23
  6. Step 6: Final answer
    x = 10,236,247.42

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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.