Home / 18,311,023.34-25,257,718.15-10,863,412.57

Finding the Fourth Proportional to 18,311,023.34, 25,257,718.15 and 10,863,412.57

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Solution

The fourth proportional to 18,311,023.34, 25,257,718.15 and 10,863,412.57 is: 14,984,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311,023.34 : 25,257,718.15 = 10,863,412.57 : x
  2. Step 2: Convert to fraction form
    18,311,023.34/25,257,718.15 = 10,863,412.57/x
  3. Step 3: Cross multiply
    18,311,023.34x = 25,257,718.15 × 10,863,412.57
  4. Step 4: Simplify right side
    18,311,023.34x = 274,385,012,840,227.12
  5. Step 5: Solve for x
    x = 274,385,012,840,227.12/18,311,023.34
  6. Step 6: Final answer
    x = 14,984,690.25

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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.