Home / 13,453,473.38-18,565,788.38-7,341,901.88

Finding the Fourth Proportional to 13,453,473.38, 18,565,788.38 and 7,341,901.88

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Solution

The fourth proportional to 13,453,473.38, 18,565,788.38 and 7,341,901.88 is: 10,131,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,473.38 : 18,565,788.38 = 7,341,901.88 : x
  2. Step 2: Convert to fraction form
    13,453,473.38/18,565,788.38 = 7,341,901.88/x
  3. Step 3: Cross multiply
    13,453,473.38x = 18,565,788.38 × 7,341,901.88
  4. Step 4: Simplify right side
    13,453,473.38x = 136,308,196,481,265.70
  5. Step 5: Solve for x
    x = 136,308,196,481,265.70/13,453,473.38
  6. Step 6: Final answer
    x = 10,131,821.92

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1.5x scale

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.