Home / 18,124,474.12-25,011,772.88-9,864,595.60

Finding the Fourth Proportional to 18,124,474.12, 25,011,772.88 and 9,864,595.60

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Solution

The fourth proportional to 18,124,474.12, 25,011,772.88 and 9,864,595.60 is: 13,613,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124,474.12 : 25,011,772.88 = 9,864,595.60 : x
  2. Step 2: Convert to fraction form
    18,124,474.12/25,011,772.88 = 9,864,595.60/x
  3. Step 3: Cross multiply
    18,124,474.12x = 25,011,772.88 × 9,864,595.60
  4. Step 4: Simplify right side
    18,124,474.12x = 246,731,024,700,247.31
  5. Step 5: Solve for x
    x = 246,731,024,700,247.31/18,124,474.12
  6. Step 6: Final answer
    x = 13,613,141.16

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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.