Home / 11,257,656.12-15,527,065.14-7,072,557.72

Finding the Fourth Proportional to 11,257,656.12, 15,527,065.14 and 7,072,557.72

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Solution

The fourth proportional to 11,257,656.12, 15,527,065.14 and 7,072,557.72 is: 9,754,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257,656.12 : 15,527,065.14 = 7,072,557.72 : x
  2. Step 2: Convert to fraction form
    11,257,656.12/15,527,065.14 = 7,072,557.72/x
  3. Step 3: Cross multiply
    11,257,656.12x = 15,527,065.14 × 7,072,557.72
  4. Step 4: Simplify right side
    11,257,656.12x = 109,816,064,424,849.88
  5. Step 5: Solve for x
    x = 109,816,064,424,849.88/11,257,656.12
  6. Step 6: Final answer
    x = 9,754,789.39

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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.