Home / 21,911,898.80-32,867,848.20-20,736,167.60

Finding the Fourth Proportional to 21,911,898.80, 32,867,848.20 and 20,736,167.60

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Solution

The fourth proportional to 21,911,898.80, 32,867,848.20 and 20,736,167.60 is: 31,104,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911,898.80 : 32,867,848.20 = 20,736,167.60 : x
  2. Step 2: Convert to fraction form
    21,911,898.80/32,867,848.20 = 20,736,167.60/x
  3. Step 3: Cross multiply
    21,911,898.80x = 32,867,848.20 × 20,736,167.60
  4. Step 4: Simplify right side
    21,911,898.80x = 681,553,208,926,558.38
  5. Step 5: Solve for x
    x = 681,553,208,926,558.38/21,911,898.80
  6. Step 6: Final answer
    x = 31,104,251.40

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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.