Home / 12,260,658.48-16,920,233.58-6,828,150.48

Finding the Fourth Proportional to 12,260,658.48, 16,920,233.58 and 6,828,150.48

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Solution

The fourth proportional to 12,260,658.48, 16,920,233.58 and 6,828,150.48 is: 9,423,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,658.48 : 16,920,233.58 = 6,828,150.48 : x
  2. Step 2: Convert to fraction form
    12,260,658.48/16,920,233.58 = 6,828,150.48/x
  3. Step 3: Cross multiply
    12,260,658.48x = 16,920,233.58 × 6,828,150.48
  4. Step 4: Simplify right side
    12,260,658.48x = 115,533,901,040,989.11
  5. Step 5: Solve for x
    x = 115,533,901,040,989.11/12,260,658.48
  6. Step 6: Final answer
    x = 9,423,139.97

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1.5x scale

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.