Home / 15,442,692.28-21,302,061.34-9,631,384.90

Finding the Fourth Proportional to 15,442,692.28, 21,302,061.34 and 9,631,384.90

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Solution

The fourth proportional to 15,442,692.28, 21,302,061.34 and 9,631,384.90 is: 13,285,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,692.28 : 21,302,061.34 = 9,631,384.90 : x
  2. Step 2: Convert to fraction form
    15,442,692.28/21,302,061.34 = 9,631,384.90/x
  3. Step 3: Cross multiply
    15,442,692.28x = 21,302,061.34 × 9,631,384.90
  4. Step 4: Simplify right side
    15,442,692.28x = 205,168,351,928,949.78
  5. Step 5: Solve for x
    x = 205,168,351,928,949.78/15,442,692.28
  6. Step 6: Final answer
    x = 13,285,789.05

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1.5x scale

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.