Home / 15,459,467.43-21,342,347.67-11,919,532.53

Finding the Fourth Proportional to 15,459,467.43, 21,342,347.67 and 11,919,532.53

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Solution

The fourth proportional to 15,459,467.43, 21,342,347.67 and 11,919,532.53 is: 16,455,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,467.43 : 21,342,347.67 = 11,919,532.53 : x
  2. Step 2: Convert to fraction form
    15,459,467.43/21,342,347.67 = 11,919,532.53/x
  3. Step 3: Cross multiply
    15,459,467.43x = 21,342,347.67 × 11,919,532.53
  4. Step 4: Simplify right side
    15,459,467.43x = 254,390,807,319,134.72
  5. Step 5: Solve for x
    x = 254,390,807,319,134.72/15,459,467.43
  6. Step 6: Final answer
    x = 16,455,340.94

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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.