Home / 15,302,351.52-21,116,563.92-8,771,298.84

Finding the Fourth Proportional to 15,302,351.52, 21,116,563.92 and 8,771,298.84

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Solution

The fourth proportional to 15,302,351.52, 21,116,563.92 and 8,771,298.84 is: 12,104,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,302,351.52 : 21,116,563.92 = 8,771,298.84 : x
  2. Step 2: Convert to fraction form
    15,302,351.52/21,116,563.92 = 8,771,298.84/x
  3. Step 3: Cross multiply
    15,302,351.52x = 21,116,563.92 × 8,771,298.84
  4. Step 4: Simplify right side
    15,302,351.52x = 185,219,692,616,281.88
  5. Step 5: Solve for x
    x = 185,219,692,616,281.88/15,302,351.52
  6. Step 6: Final answer
    x = 12,104,001.95

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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.