Home / 15,919,284.64-21,968,686.92-9,044,143.96

Finding the Fourth Proportional to 15,919,284.64, 21,968,686.92 and 9,044,143.96

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Solution

The fourth proportional to 15,919,284.64, 21,968,686.92 and 9,044,143.96 is: 12,480,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919,284.64 : 21,968,686.92 = 9,044,143.96 : x
  2. Step 2: Convert to fraction form
    15,919,284.64/21,968,686.92 = 9,044,143.96/x
  3. Step 3: Cross multiply
    15,919,284.64x = 21,968,686.92 × 9,044,143.96
  4. Step 4: Simplify right side
    15,919,284.64x = 198,687,967,116,649.03
  5. Step 5: Solve for x
    x = 198,687,967,116,649.03/15,919,284.64
  6. Step 6: Final answer
    x = 12,480,960.77

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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.