Home / 10,341,296.70-15,483,951.45-8,101,808.70

Finding the Fourth Proportional to 10,341,296.70, 15,483,951.45 and 8,101,808.70

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Solution

The fourth proportional to 10,341,296.70, 15,483,951.45 and 8,101,808.70 is: 12,130,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341,296.70 : 15,483,951.45 = 8,101,808.70 : x
  2. Step 2: Convert to fraction form
    10,341,296.70/15,483,951.45 = 8,101,808.70/x
  3. Step 3: Cross multiply
    10,341,296.70x = 15,483,951.45 × 8,101,808.70
  4. Step 4: Simplify right side
    10,341,296.70x = 125,448,012,567,987.61
  5. Step 5: Solve for x
    x = 125,448,012,567,987.61/10,341,296.70
  6. Step 6: Final answer
    x = 12,130,781.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.