Home / 21,381,042.80-32,071,564.20-7,004,579.60

Finding the Fourth Proportional to 21,381,042.80, 32,071,564.20 and 7,004,579.60

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Solution

The fourth proportional to 21,381,042.80, 32,071,564.20 and 7,004,579.60 is: 10,506,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,381,042.80 : 32,071,564.20 = 7,004,579.60 : x
  2. Step 2: Convert to fraction form
    21,381,042.80/32,071,564.20 = 7,004,579.60/x
  3. Step 3: Cross multiply
    21,381,042.80x = 32,071,564.20 × 7,004,579.60
  4. Step 4: Simplify right side
    21,381,042.80x = 224,647,824,335,410.31
  5. Step 5: Solve for x
    x = 224,647,824,335,410.31/21,381,042.80
  6. Step 6: Final answer
    x = 10,506,869.40

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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.