Home / 15,459,459.92-21,342,337.32-11,919,525.03

Finding the Fourth Proportional to 15,459,459.92, 21,342,337.32 and 11,919,525.03

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Solution

The fourth proportional to 15,459,459.92, 21,342,337.32 and 11,919,525.03 is: 16,455,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,459.92 : 21,342,337.32 = 11,919,525.03 : x
  2. Step 2: Convert to fraction form
    15,459,459.92/21,342,337.32 = 11,919,525.03/x
  3. Step 3: Cross multiply
    15,459,459.92x = 21,342,337.32 × 11,919,525.03
  4. Step 4: Simplify right side
    15,459,459.92x = 254,390,523,849,107.56
  5. Step 5: Solve for x
    x = 254,390,523,849,107.56/15,459,459.92
  6. Step 6: Final answer
    x = 16,455,330.60

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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.