Home / 42,008,678.40-57,982,762.56-27,360,845.76

Finding the Fourth Proportional to 42,008,678.40, 57,982,762.56 and 27,360,845.76

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Solution

The fourth proportional to 42,008,678.40, 57,982,762.56 and 27,360,845.76 is: 37,764,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008,678.40 : 57,982,762.56 = 27,360,845.76 : x
  2. Step 2: Convert to fraction form
    42,008,678.40/57,982,762.56 = 27,360,845.76/x
  3. Step 3: Cross multiply
    42,008,678.40x = 57,982,762.56 × 27,360,845.76
  4. Step 4: Simplify right side
    42,008,678.40x = 1,586,457,423,142,863
  5. Step 5: Solve for x
    x = 1,586,457,423,142,863/42,008,678.40
  6. Step 6: Final answer
    x = 37,764,992.46

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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.