Home / 42,731,053.12-64,096,579.68-10,382,789.44

Finding the Fourth Proportional to 42,731,053.12, 64,096,579.68 and 10,382,789.44

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Solution

The fourth proportional to 42,731,053.12, 64,096,579.68 and 10,382,789.44 is: 15,574,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,731,053.12 : 64,096,579.68 = 10,382,789.44 : x
  2. Step 2: Convert to fraction form
    42,731,053.12/64,096,579.68 = 10,382,789.44/x
  3. Step 3: Cross multiply
    42,731,053.12x = 64,096,579.68 × 10,382,789.44
  4. Step 4: Simplify right side
    42,731,053.12x = 665,501,290,641,622.50
  5. Step 5: Solve for x
    x = 665,501,290,641,622.50/42,731,053.12
  6. Step 6: Final answer
    x = 15,574,184.16

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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.