Home / 19,159,071.32-26,474,103.43-13,642,869.48

Finding the Fourth Proportional to 19,159,071.32, 26,474,103.43 and 13,642,869.48

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Solution

The fourth proportional to 19,159,071.32, 26,474,103.43 and 13,642,869.48 is: 18,851,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,071.32 : 26,474,103.43 = 13,642,869.48 : x
  2. Step 2: Convert to fraction form
    19,159,071.32/26,474,103.43 = 13,642,869.48/x
  3. Step 3: Cross multiply
    19,159,071.32x = 26,474,103.43 × 13,642,869.48
  4. Step 4: Simplify right side
    19,159,071.32x = 361,182,737,695,510.31
  5. Step 5: Solve for x
    x = 361,182,737,695,510.31/19,159,071.32
  6. Step 6: Final answer
    x = 18,851,787.32

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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.