Home / 18,413,827.32-25,412,594.22-10,155,504.72

Finding the Fourth Proportional to 18,413,827.32, 25,412,594.22 and 10,155,504.72

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Solution

The fourth proportional to 18,413,827.32, 25,412,594.22 and 10,155,504.72 is: 14,015,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,827.32 : 25,412,594.22 = 10,155,504.72 : x
  2. Step 2: Convert to fraction form
    18,413,827.32/25,412,594.22 = 10,155,504.72/x
  3. Step 3: Cross multiply
    18,413,827.32x = 25,412,594.22 × 10,155,504.72
  4. Step 4: Simplify right side
    18,413,827.32x = 258,077,720,548,654.72
  5. Step 5: Solve for x
    x = 258,077,720,548,654.72/18,413,827.32
  6. Step 6: Final answer
    x = 14,015,430.69

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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.