Home / 33,264,985.20-49,897,477.80-20,443,916.40

Finding the Fourth Proportional to 33,264,985.20, 49,897,477.80 and 20,443,916.40

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Solution

The fourth proportional to 33,264,985.20, 49,897,477.80 and 20,443,916.40 is: 30,665,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,264,985.20 : 49,897,477.80 = 20,443,916.40 : x
  2. Step 2: Convert to fraction form
    33,264,985.20/49,897,477.80 = 20,443,916.40/x
  3. Step 3: Cross multiply
    33,264,985.20x = 49,897,477.80 × 20,443,916.40
  4. Step 4: Simplify right side
    33,264,985.20x = 1,020,099,864,714,055.75
  5. Step 5: Solve for x
    x = 1,020,099,864,714,055.75/33,264,985.20
  6. Step 6: Final answer
    x = 30,665,874.60

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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.