Home / 15,452,464.61-21,324,348.47-8,482,968.65

Finding the Fourth Proportional to 15,452,464.61, 21,324,348.47 and 8,482,968.65

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Solution

The fourth proportional to 15,452,464.61, 21,324,348.47 and 8,482,968.65 is: 11,706,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452,464.61 : 21,324,348.47 = 8,482,968.65 : x
  2. Step 2: Convert to fraction form
    15,452,464.61/21,324,348.47 = 8,482,968.65/x
  3. Step 3: Cross multiply
    15,452,464.61x = 21,324,348.47 × 8,482,968.65
  4. Step 4: Simplify right side
    15,452,464.61x = 180,893,779,467,271.12
  5. Step 5: Solve for x
    x = 180,893,779,467,271.12/15,452,464.61
  6. Step 6: Final answer
    x = 11,706,467.81

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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.