Home / 10,863,225.20-16,307,279.40-6,378,028.40

Finding the Fourth Proportional to 10,863,225.20, 16,307,279.40 and 6,378,028.40

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Solution

The fourth proportional to 10,863,225.20, 16,307,279.40 and 6,378,028.40 is: 9,574,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,225.20 : 16,307,279.40 = 6,378,028.40 : x
  2. Step 2: Convert to fraction form
    10,863,225.20/16,307,279.40 = 6,378,028.40/x
  3. Step 3: Cross multiply
    10,863,225.20x = 16,307,279.40 × 6,378,028.40
  4. Step 4: Simplify right side
    10,863,225.20x = 104,008,291,139,934.97
  5. Step 5: Solve for x
    x = 104,008,291,139,934.97/10,863,225.20
  6. Step 6: Final answer
    x = 9,574,347.33

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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.