Home / 13,520,130-20,281,444.92-4,422,279.12

Finding the Fourth Proportional to 13,520,130, 20,281,444.92 and 4,422,279.12

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Solution

The fourth proportional to 13,520,130, 20,281,444.92 and 4,422,279.12 is: 6,633,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,130 : 20,281,444.92 = 4,422,279.12 : x
  2. Step 2: Convert to fraction form
    13,520,130/20,281,444.92 = 4,422,279.12/x
  3. Step 3: Cross multiply
    13,520,130x = 20,281,444.92 × 4,422,279.12
  4. Step 4: Simplify right side
    13,520,130x = 89,690,210,393,146.08
  5. Step 5: Solve for x
    x = 89,690,210,393,146.08/13,520,130
  6. Step 6: Final answer
    x = 6,633,827.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.