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Finding the Fourth Proportional to 24,502,603.60, 36,753,905.40 and 18,763,040.80

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Solution

The fourth proportional to 24,502,603.60, 36,753,905.40 and 18,763,040.80 is: 28,144,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,502,603.60 : 36,753,905.40 = 18,763,040.80 : x
  2. Step 2: Convert to fraction form
    24,502,603.60/36,753,905.40 = 18,763,040.80/x
  3. Step 3: Cross multiply
    24,502,603.60x = 36,753,905.40 × 18,763,040.80
  4. Step 4: Simplify right side
    24,502,603.60x = 689,615,026,579,540.38
  5. Step 5: Solve for x
    x = 689,615,026,579,540.38/24,502,603.60
  6. Step 6: Final answer
    x = 28,144,561.20

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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.