Home / 15,009,698.77-20,713,402.01-8,134,180.83

Finding the Fourth Proportional to 15,009,698.77, 20,713,402.01 and 8,134,180.83

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Solution

The fourth proportional to 15,009,698.77, 20,713,402.01 and 8,134,180.83 is: 11,225,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,698.77 : 20,713,402.01 = 8,134,180.83 : x
  2. Step 2: Convert to fraction form
    15,009,698.77/20,713,402.01 = 8,134,180.83/x
  3. Step 3: Cross multiply
    15,009,698.77x = 20,713,402.01 × 8,134,180.83
  4. Step 4: Simplify right side
    15,009,698.77x = 168,486,557,513,154.56
  5. Step 5: Solve for x
    x = 168,486,557,513,154.56/15,009,698.77
  6. Step 6: Final answer
    x = 11,225,179.14

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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.