Home / 12,490,374.16-17,231,438.13-8,361,735.28

Finding the Fourth Proportional to 12,490,374.16, 17,231,438.13 and 8,361,735.28

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Solution

The fourth proportional to 12,490,374.16, 17,231,438.13 and 8,361,735.28 is: 11,535,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,374.16 : 17,231,438.13 = 8,361,735.28 : x
  2. Step 2: Convert to fraction form
    12,490,374.16/17,231,438.13 = 8,361,735.28/x
  3. Step 3: Cross multiply
    12,490,374.16x = 17,231,438.13 × 8,361,735.28
  4. Step 4: Simplify right side
    12,490,374.16x = 144,084,724,136,758.22
  5. Step 5: Solve for x
    x = 144,084,724,136,758.22/12,490,374.16
  6. Step 6: Final answer
    x = 11,535,661.17

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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.