Home / 12,095,590.20-18,143,385.30-9,072,281.40

Finding the Fourth Proportional to 12,095,590.20, 18,143,385.30 and 9,072,281.40

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Solution

The fourth proportional to 12,095,590.20, 18,143,385.30 and 9,072,281.40 is: 13,608,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095,590.20 : 18,143,385.30 = 9,072,281.40 : x
  2. Step 2: Convert to fraction form
    12,095,590.20/18,143,385.30 = 9,072,281.40/x
  3. Step 3: Cross multiply
    12,095,590.20x = 18,143,385.30 × 9,072,281.40
  4. Step 4: Simplify right side
    12,095,590.20x = 164,601,896,990,223.44
  5. Step 5: Solve for x
    x = 164,601,896,990,223.44/12,095,590.20
  6. Step 6: Final answer
    x = 13,608,422.10

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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.