Home / 15,614,974.65-21,549,338.41-8,645,652.33

Finding the Fourth Proportional to 15,614,974.65, 21,549,338.41 and 8,645,652.33

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Solution

The fourth proportional to 15,614,974.65, 21,549,338.41 and 8,645,652.33 is: 11,931,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614,974.65 : 21,549,338.41 = 8,645,652.33 : x
  2. Step 2: Convert to fraction form
    15,614,974.65/21,549,338.41 = 8,645,652.33/x
  3. Step 3: Cross multiply
    15,614,974.65x = 21,549,338.41 × 8,645,652.33
  4. Step 4: Simplify right side
    15,614,974.65x = 186,308,087,888,329.34
  5. Step 5: Solve for x
    x = 186,308,087,888,329.34/15,614,974.65
  6. Step 6: Final answer
    x = 11,931,373.06

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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.