Home / 13,745,156.76-18,967,210.15-7,944,314.22

Finding the Fourth Proportional to 13,745,156.76, 18,967,210.15 and 7,944,314.22

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Solution

The fourth proportional to 13,745,156.76, 18,967,210.15 and 7,944,314.22 is: 10,962,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,156.76 : 18,967,210.15 = 7,944,314.22 : x
  2. Step 2: Convert to fraction form
    13,745,156.76/18,967,210.15 = 7,944,314.22/x
  3. Step 3: Cross multiply
    13,745,156.76x = 18,967,210.15 × 7,944,314.22
  4. Step 4: Simplify right side
    13,745,156.76x = 150,681,477,359,639.59
  5. Step 5: Solve for x
    x = 150,681,477,359,639.59/13,745,156.76
  6. Step 6: Final answer
    x = 10,962,514.28

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Double scale
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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.