Home / 12,260,682.56-16,920,266.80-6,828,174.56

Finding the Fourth Proportional to 12,260,682.56, 16,920,266.80 and 6,828,174.56

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Solution

The fourth proportional to 12,260,682.56, 16,920,266.80 and 6,828,174.56 is: 9,423,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,682.56 : 16,920,266.80 = 6,828,174.56 : x
  2. Step 2: Convert to fraction form
    12,260,682.56/16,920,266.80 = 6,828,174.56/x
  3. Step 3: Cross multiply
    12,260,682.56x = 16,920,266.80 × 6,828,174.56
  4. Step 4: Simplify right side
    12,260,682.56x = 115,534,535,312,172.61
  5. Step 5: Solve for x
    x = 115,534,535,312,172.61/12,260,682.56
  6. Step 6: Final answer
    x = 9,423,173.20

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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.