Home / 20,822,417.82-28,764,867.96-16,630,598.94

Finding the Fourth Proportional to 20,822,417.82, 28,764,867.96 and 16,630,598.94

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Solution

The fourth proportional to 20,822,417.82, 28,764,867.96 and 16,630,598.94 is: 22,974,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,822,417.82 : 28,764,867.96 = 16,630,598.94 : x
  2. Step 2: Convert to fraction form
    20,822,417.82/28,764,867.96 = 16,630,598.94/x
  3. Step 3: Cross multiply
    20,822,417.82x = 28,764,867.96 × 16,630,598.94
  4. Step 4: Simplify right side
    20,822,417.82x = 478,376,982,604,815.94
  5. Step 5: Solve for x
    x = 478,376,982,604,815.94/20,822,417.82
  6. Step 6: Final answer
    x = 22,974,132.34

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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.