Home / 18,140,070.30-25,032,351.99-11,264,404.86

Finding the Fourth Proportional to 18,140,070.30, 25,032,351.99 and 11,264,404.86

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Solution

The fourth proportional to 18,140,070.30, 25,032,351.99 and 11,264,404.86 is: 15,544,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140,070.30 : 25,032,351.99 = 11,264,404.86 : x
  2. Step 2: Convert to fraction form
    18,140,070.30/25,032,351.99 = 11,264,404.86/x
  3. Step 3: Cross multiply
    18,140,070.30x = 25,032,351.99 × 11,264,404.86
  4. Step 4: Simplify right side
    18,140,070.30x = 281,974,547,413,386.62
  5. Step 5: Solve for x
    x = 281,974,547,413,386.62/18,140,070.30
  6. Step 6: Final answer
    x = 15,544,291.88

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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.