Home / 12,280,762.80-18,385,714.80-11,005,304.40

Finding the Fourth Proportional to 12,280,762.80, 18,385,714.80 and 11,005,304.40

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Solution

The fourth proportional to 12,280,762.80, 18,385,714.80 and 11,005,304.40 is: 16,476,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,762.80 : 18,385,714.80 = 11,005,304.40 : x
  2. Step 2: Convert to fraction form
    12,280,762.80/18,385,714.80 = 11,005,304.40/x
  3. Step 3: Cross multiply
    12,280,762.80x = 18,385,714.80 × 11,005,304.40
  4. Step 4: Simplify right side
    12,280,762.80x = 202,340,387,985,585.12
  5. Step 5: Solve for x
    x = 202,340,387,985,585.12/12,280,762.80
  6. Step 6: Final answer
    x = 16,476,206.84

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1.5x scale

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.