Home / 7,287,705.18-10,057,036.96-3,980,044.69

Finding the Fourth Proportional to 7,287,705.18, 10,057,036.96 and 3,980,044.69

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Solution

The fourth proportional to 7,287,705.18, 10,057,036.96 and 3,980,044.69 is: 5,492,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,705.18 : 10,057,036.96 = 3,980,044.69 : x
  2. Step 2: Convert to fraction form
    7,287,705.18/10,057,036.96 = 3,980,044.69/x
  3. Step 3: Cross multiply
    7,287,705.18x = 10,057,036.96 × 3,980,044.69
  4. Step 4: Simplify right side
    7,287,705.18x = 40,027,456,535,210.15
  5. Step 5: Solve for x
    x = 40,027,456,535,210.15/7,287,705.18
  6. Step 6: Final answer
    x = 5,492,463.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.