Home / 19,403,115.40-29,108,172.30-8,044,712.20

Finding the Fourth Proportional to 19,403,115.40, 29,108,172.30 and 8,044,712.20

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Solution

The fourth proportional to 19,403,115.40, 29,108,172.30 and 8,044,712.20 is: 12,068,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403,115.40 : 29,108,172.30 = 8,044,712.20 : x
  2. Step 2: Convert to fraction form
    19,403,115.40/29,108,172.30 = 8,044,712.20/x
  3. Step 3: Cross multiply
    19,403,115.40x = 29,108,172.30 × 8,044,712.20
  4. Step 4: Simplify right side
    19,403,115.40x = 234,166,868,821,512.06
  5. Step 5: Solve for x
    x = 234,166,868,821,512.06/19,403,115.40
  6. Step 6: Final answer
    x = 12,068,519.10

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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.