Home / 13,557,151.31-18,708,872.49-7,362,196.39

Finding the Fourth Proportional to 13,557,151.31, 18,708,872.49 and 7,362,196.39

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Solution

The fourth proportional to 13,557,151.31, 18,708,872.49 and 7,362,196.39 is: 10,159,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557,151.31 : 18,708,872.49 = 7,362,196.39 : x
  2. Step 2: Convert to fraction form
    13,557,151.31/18,708,872.49 = 7,362,196.39/x
  3. Step 3: Cross multiply
    13,557,151.31x = 18,708,872.49 × 7,362,196.39
  4. Step 4: Simplify right side
    13,557,151.31x = 137,738,393,506,848.30
  5. Step 5: Solve for x
    x = 137,738,393,506,848.30/13,557,151.31
  6. Step 6: Final answer
    x = 10,159,833.02

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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.