Home / 13,125,401.46-18,114,085.26-7,246,204.20

Finding the Fourth Proportional to 13,125,401.46, 18,114,085.26 and 7,246,204.20

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Solution

The fourth proportional to 13,125,401.46, 18,114,085.26 and 7,246,204.20 is: 10,000,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125,401.46 : 18,114,085.26 = 7,246,204.20 : x
  2. Step 2: Convert to fraction form
    13,125,401.46/18,114,085.26 = 7,246,204.20/x
  3. Step 3: Cross multiply
    13,125,401.46x = 18,114,085.26 × 7,246,204.20
  4. Step 4: Simplify right side
    13,125,401.46x = 131,258,360,690,170.11
  5. Step 5: Solve for x
    x = 131,258,360,690,170.11/13,125,401.46
  6. Step 6: Final answer
    x = 10,000,331.12

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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.