Home / 18,405,124.15-25,400,207.71-10,145,167.83

Finding the Fourth Proportional to 18,405,124.15, 25,400,207.71 and 10,145,167.83

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Solution

The fourth proportional to 18,405,124.15, 25,400,207.71 and 10,145,167.83 is: 14,000,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,405,124.15 : 25,400,207.71 = 10,145,167.83 : x
  2. Step 2: Convert to fraction form
    18,405,124.15/25,400,207.71 = 10,145,167.83/x
  3. Step 3: Cross multiply
    18,405,124.15x = 25,400,207.71 × 10,145,167.83
  4. Step 4: Simplify right side
    18,405,124.15x = 257,689,370,134,809.97
  5. Step 5: Solve for x
    x = 257,689,370,134,809.97/18,405,124.15
  6. Step 6: Final answer
    x = 14,000,958.00

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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.