Home / 15,263,888.68-21,064,974.12-8,649,759.16

Finding the Fourth Proportional to 15,263,888.68, 21,064,974.12 and 8,649,759.16

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Solution

The fourth proportional to 15,263,888.68, 21,064,974.12 and 8,649,759.16 is: 11,937,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263,888.68 : 21,064,974.12 = 8,649,759.16 : x
  2. Step 2: Convert to fraction form
    15,263,888.68/21,064,974.12 = 8,649,759.16/x
  3. Step 3: Cross multiply
    15,263,888.68x = 21,064,974.12 × 8,649,759.16
  4. Step 4: Simplify right side
    15,263,888.68x = 182,206,952,849,632.94
  5. Step 5: Solve for x
    x = 182,206,952,849,632.94/15,263,888.68
  6. Step 6: Final answer
    x = 11,937,125.37

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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.