Home / 12,291,521.78-16,962,303.45-6,784,900.23

Finding the Fourth Proportional to 12,291,521.78, 16,962,303.45 and 6,784,900.23

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Solution

The fourth proportional to 12,291,521.78, 16,962,303.45 and 6,784,900.23 is: 9,363,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,521.78 : 16,962,303.45 = 6,784,900.23 : x
  2. Step 2: Convert to fraction form
    12,291,521.78/16,962,303.45 = 6,784,900.23/x
  3. Step 3: Cross multiply
    12,291,521.78x = 16,962,303.45 × 6,784,900.23
  4. Step 4: Simplify right side
    12,291,521.78x = 115,087,536,579,234.80
  5. Step 5: Solve for x
    x = 115,087,536,579,234.80/12,291,521.78
  6. Step 6: Final answer
    x = 9,363,164.19

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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.