Home / 38,965,506-53,772,876.57-21,563,470.45

Finding the Fourth Proportional to 38,965,506, 53,772,876.57 and 21,563,470.45

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Solution

The fourth proportional to 38,965,506, 53,772,876.57 and 21,563,470.45 is: 29,757,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965,506 : 53,772,876.57 = 21,563,470.45 : x
  2. Step 2: Convert to fraction form
    38,965,506/53,772,876.57 = 21,563,470.45/x
  3. Step 3: Cross multiply
    38,965,506x = 53,772,876.57 × 21,563,470.45
  4. Step 4: Simplify right side
    38,965,506x = 1,159,529,834,928,692.25
  5. Step 5: Solve for x
    x = 1,159,529,834,928,692.25/38,965,506
  6. Step 6: Final answer
    x = 29,757,853.91

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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.