Home / 10,863,648.20-16,307,913.90-6,378,451.40

Finding the Fourth Proportional to 10,863,648.20, 16,307,913.90 and 6,378,451.40

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Solution

The fourth proportional to 10,863,648.20, 16,307,913.90 and 6,378,451.40 is: 9,574,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,648.20 : 16,307,913.90 = 6,378,451.40 : x
  2. Step 2: Convert to fraction form
    10,863,648.20/16,307,913.90 = 6,378,451.40/x
  3. Step 3: Cross multiply
    10,863,648.20x = 16,307,913.90 × 6,378,451.40
  4. Step 4: Simplify right side
    10,863,648.20x = 104,019,236,246,534.47
  5. Step 5: Solve for x
    x = 104,019,236,246,534.47/10,863,648.20
  6. Step 6: Final answer
    x = 9,574,982.03

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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.