Home / 13,701,590.18-18,908,209.13-7,422,132.11

Finding the Fourth Proportional to 13,701,590.18, 18,908,209.13 and 7,422,132.11

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Solution

The fourth proportional to 13,701,590.18, 18,908,209.13 and 7,422,132.11 is: 10,242,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,590.18 : 18,908,209.13 = 7,422,132.11 : x
  2. Step 2: Convert to fraction form
    13,701,590.18/18,908,209.13 = 7,422,132.11/x
  3. Step 3: Cross multiply
    13,701,590.18x = 18,908,209.13 × 7,422,132.11
  4. Step 4: Simplify right side
    13,701,590.18x = 140,339,225,994,716.47
  5. Step 5: Solve for x
    x = 140,339,225,994,716.47/13,701,590.18
  6. Step 6: Final answer
    x = 10,242,550.26

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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.