Home / 7,852,900.08-11,779,612.56-2,172,648.72

Finding the Fourth Proportional to 7,852,900.08, 11,779,612.56 and 2,172,648.72

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Solution

The fourth proportional to 7,852,900.08, 11,779,612.56 and 2,172,648.72 is: 3,259,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852,900.08 : 11,779,612.56 = 2,172,648.72 : x
  2. Step 2: Convert to fraction form
    7,852,900.08/11,779,612.56 = 2,172,648.72/x
  3. Step 3: Cross multiply
    7,852,900.08x = 11,779,612.56 × 2,172,648.72
  4. Step 4: Simplify right side
    7,852,900.08x = 25,592,960,150,579.93
  5. Step 5: Solve for x
    x = 25,592,960,150,579.93/7,852,900.08
  6. Step 6: Final answer
    x = 3,259,045.69

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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.