Home / 15,015,050.76-20,719,965.33-8,488,291.08

Finding the Fourth Proportional to 15,015,050.76, 20,719,965.33 and 8,488,291.08

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Solution

The fourth proportional to 15,015,050.76, 20,719,965.33 and 8,488,291.08 is: 11,713,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015,050.76 : 20,719,965.33 = 8,488,291.08 : x
  2. Step 2: Convert to fraction form
    15,015,050.76/20,719,965.33 = 8,488,291.08/x
  3. Step 3: Cross multiply
    15,015,050.76x = 20,719,965.33 × 8,488,291.08
  4. Step 4: Simplify right side
    15,015,050.76x = 175,877,096,888,548.25
  5. Step 5: Solve for x
    x = 175,877,096,888,548.25/15,015,050.76
  6. Step 6: Final answer
    x = 11,713,386.77

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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.