Home / 12,490,844.80-18,736,267.20-9,656,492.80

Finding the Fourth Proportional to 12,490,844.80, 18,736,267.20 and 9,656,492.80

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Solution

The fourth proportional to 12,490,844.80, 18,736,267.20 and 9,656,492.80 is: 14,484,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,844.80 : 18,736,267.20 = 9,656,492.80 : x
  2. Step 2: Convert to fraction form
    12,490,844.80/18,736,267.20 = 9,656,492.80/x
  3. Step 3: Cross multiply
    12,490,844.80x = 18,736,267.20 × 9,656,492.80
  4. Step 4: Simplify right side
    12,490,844.80x = 180,926,629,315,676.16
  5. Step 5: Solve for x
    x = 180,926,629,315,676.16/12,490,844.80
  6. Step 6: Final answer
    x = 14,484,739.20

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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.