Home / 15,259,941.45-21,053,510.91-9,456,605.73

Finding the Fourth Proportional to 15,259,941.45, 21,053,510.91 and 9,456,605.73

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Solution

The fourth proportional to 15,259,941.45, 21,053,510.91 and 9,456,605.73 is: 13,046,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259,941.45 : 21,053,510.91 = 9,456,605.73 : x
  2. Step 2: Convert to fraction form
    15,259,941.45/21,053,510.91 = 9,456,605.73/x
  3. Step 3: Cross multiply
    15,259,941.45x = 21,053,510.91 × 9,456,605.73
  4. Step 4: Simplify right side
    15,259,941.45x = 199,094,751,908,123.53
  5. Step 5: Solve for x
    x = 199,094,751,908,123.53/15,259,941.45
  6. Step 6: Final answer
    x = 13,046,888.32

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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.