Home / 18,636,931.08-25,720,023.44-11,196,868.84

Finding the Fourth Proportional to 18,636,931.08, 25,720,023.44 and 11,196,868.84

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Solution

The fourth proportional to 18,636,931.08, 25,720,023.44 and 11,196,868.84 is: 15,452,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636,931.08 : 25,720,023.44 = 11,196,868.84 : x
  2. Step 2: Convert to fraction form
    18,636,931.08/25,720,023.44 = 11,196,868.84/x
  3. Step 3: Cross multiply
    18,636,931.08x = 25,720,023.44 × 11,196,868.84
  4. Step 4: Simplify right side
    18,636,931.08x = 287,983,729,019,405.62
  5. Step 5: Solve for x
    x = 287,983,729,019,405.62/18,636,931.08
  6. Step 6: Final answer
    x = 15,452,314.96

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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.