Home / 13,851,828.32-19,115,156.40-7,740,307.04

Finding the Fourth Proportional to 13,851,828.32, 19,115,156.40 and 7,740,307.04

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Solution

The fourth proportional to 13,851,828.32, 19,115,156.40 and 7,740,307.04 is: 10,681,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,828.32 : 19,115,156.40 = 7,740,307.04 : x
  2. Step 2: Convert to fraction form
    13,851,828.32/19,115,156.40 = 7,740,307.04/x
  3. Step 3: Cross multiply
    13,851,828.32x = 19,115,156.40 × 7,740,307.04
  4. Step 4: Simplify right side
    13,851,828.32x = 147,957,179,653,621.03
  5. Step 5: Solve for x
    x = 147,957,179,653,621.03/13,851,828.32
  6. Step 6: Final answer
    x = 10,681,418.82

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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.