Home / 31,068,841.28-42,876,452.64-17,317,904.96

Finding the Fourth Proportional to 31,068,841.28, 42,876,452.64 and 17,317,904.96

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Solution

The fourth proportional to 31,068,841.28, 42,876,452.64 and 17,317,904.96 is: 23,899,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068,841.28 : 42,876,452.64 = 17,317,904.96 : x
  2. Step 2: Convert to fraction form
    31,068,841.28/42,876,452.64 = 17,317,904.96/x
  3. Step 3: Cross multiply
    31,068,841.28x = 42,876,452.64 × 17,317,904.96
  4. Step 4: Simplify right side
    31,068,841.28x = 742,530,331,841,461.12
  5. Step 5: Solve for x
    x = 742,530,331,841,461.12/31,068,841.28
  6. Step 6: Final answer
    x = 23,899,518.01

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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.