Home / 25,285,886.40-34,894,523.16-13,683,449.88

Finding the Fourth Proportional to 25,285,886.40, 34,894,523.16 and 13,683,449.88

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Solution

The fourth proportional to 25,285,886.40, 34,894,523.16 and 13,683,449.88 is: 18,883,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285,886.40 : 34,894,523.16 = 13,683,449.88 : x
  2. Step 2: Convert to fraction form
    25,285,886.40/34,894,523.16 = 13,683,449.88/x
  3. Step 3: Cross multiply
    25,285,886.40x = 34,894,523.16 × 13,683,449.88
  4. Step 4: Simplify right side
    25,285,886.40x = 477,477,458,746,359.19
  5. Step 5: Solve for x
    x = 477,477,458,746,359.19/25,285,886.40
  6. Step 6: Final answer
    x = 18,883,160.80

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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.