Home / 12,018,210.92-18,027,338.88-2,920,316.04

Finding the Fourth Proportional to 12,018,210.92, 18,027,338.88 and 2,920,316.04

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Solution

The fourth proportional to 12,018,210.92, 18,027,338.88 and 2,920,316.04 is: 4,380,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,210.92 : 18,027,338.88 = 2,920,316.04 : x
  2. Step 2: Convert to fraction form
    12,018,210.92/18,027,338.88 = 2,920,316.04/x
  3. Step 3: Cross multiply
    12,018,210.92x = 18,027,338.88 × 2,920,316.04
  4. Step 4: Simplify right side
    12,018,210.92x = 52,645,526,889,779.63
  5. Step 5: Solve for x
    x = 52,645,526,889,779.63/12,018,210.92
  6. Step 6: Final answer
    x = 4,380,479.53

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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.