Home / 20,736,181.60-31,104,272.40-18,845,058.40

Finding the Fourth Proportional to 20,736,181.60, 31,104,272.40 and 18,845,058.40

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Solution

The fourth proportional to 20,736,181.60, 31,104,272.40 and 18,845,058.40 is: 28,267,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,181.60 : 31,104,272.40 = 18,845,058.40 : x
  2. Step 2: Convert to fraction form
    20,736,181.60/31,104,272.40 = 18,845,058.40/x
  3. Step 3: Cross multiply
    20,736,181.60x = 31,104,272.40 × 18,845,058.40
  4. Step 4: Simplify right side
    20,736,181.60x = 586,161,829,867,508.12
  5. Step 5: Solve for x
    x = 586,161,829,867,508.12/20,736,181.60
  6. Step 6: Final answer
    x = 28,267,587.60

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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.