Home / 11,615,981.99-16,030,443.92-6,389,211.15

Finding the Fourth Proportional to 11,615,981.99, 16,030,443.92 and 6,389,211.15

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Solution

The fourth proportional to 11,615,981.99, 16,030,443.92 and 6,389,211.15 is: 8,817,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615,981.99 : 16,030,443.92 = 6,389,211.15 : x
  2. Step 2: Convert to fraction form
    11,615,981.99/16,030,443.92 = 6,389,211.15/x
  3. Step 3: Cross multiply
    11,615,981.99x = 16,030,443.92 × 6,389,211.15
  4. Step 4: Simplify right side
    11,615,981.99x = 102,421,891,001,167.66
  5. Step 5: Solve for x
    x = 102,421,891,001,167.66/11,615,981.99
  6. Step 6: Final answer
    x = 8,817,325.23

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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.