Home / 18,894,595.47-28,346,390.90-6,115,100.16

Finding the Fourth Proportional to 18,894,595.47, 28,346,390.90 and 6,115,100.16

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Solution

The fourth proportional to 18,894,595.47, 28,346,390.90 and 6,115,100.16 is: 9,174,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894,595.47 : 28,346,390.90 = 6,115,100.16 : x
  2. Step 2: Convert to fraction form
    18,894,595.47/28,346,390.90 = 6,115,100.16/x
  3. Step 3: Cross multiply
    18,894,595.47x = 28,346,390.90 × 6,115,100.16
  4. Step 4: Simplify right side
    18,894,595.47x = 173,341,019,528,012.53
  5. Step 5: Solve for x
    x = 173,341,019,528,012.53/18,894,595.47
  6. Step 6: Final answer
    x = 9,174,105.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.