Home / 19,876,473.60-27,428,898.24-11,175,014.40

Finding the Fourth Proportional to 19,876,473.60, 27,428,898.24 and 11,175,014.40

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Solution

The fourth proportional to 19,876,473.60, 27,428,898.24 and 11,175,014.40 is: 15,421,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876,473.60 : 27,428,898.24 = 11,175,014.40 : x
  2. Step 2: Convert to fraction form
    19,876,473.60/27,428,898.24 = 11,175,014.40/x
  3. Step 3: Cross multiply
    19,876,473.60x = 27,428,898.24 × 11,175,014.40
  4. Step 4: Simplify right side
    19,876,473.60x = 306,518,332,808,134.62
  5. Step 5: Solve for x
    x = 306,518,332,808,134.62/19,876,473.60
  6. Step 6: Final answer
    x = 15,421,162.68

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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.