Home / 14,620,251.12-20,178,058-8,424,111.56

Finding the Fourth Proportional to 14,620,251.12, 20,178,058 and 8,424,111.56

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Solution

The fourth proportional to 14,620,251.12, 20,178,058 and 8,424,111.56 is: 11,626,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620,251.12 : 20,178,058 = 8,424,111.56 : x
  2. Step 2: Convert to fraction form
    14,620,251.12/20,178,058 = 8,424,111.56/x
  3. Step 3: Cross multiply
    14,620,251.12x = 20,178,058 × 8,424,111.56
  4. Step 4: Simplify right side
    14,620,251.12x = 169,982,211,656,150.50
  5. Step 5: Solve for x
    x = 169,982,211,656,150.50/14,620,251.12
  6. Step 6: Final answer
    x = 11,626,490.56

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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.