Home / 10,657,428.76-15,991,392.06-4,976,827.48

Finding the Fourth Proportional to 10,657,428.76, 15,991,392.06 and 4,976,827.48

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Solution

The fourth proportional to 10,657,428.76, 15,991,392.06 and 4,976,827.48 is: 7,467,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,428.76 : 15,991,392.06 = 4,976,827.48 : x
  2. Step 2: Convert to fraction form
    10,657,428.76/15,991,392.06 = 4,976,827.48/x
  3. Step 3: Cross multiply
    10,657,428.76x = 15,991,392.06 × 4,976,827.48
  4. Step 4: Simplify right side
    10,657,428.76x = 79,586,399,447,661.81
  5. Step 5: Solve for x
    x = 79,586,399,447,661.81/10,657,428.76
  6. Step 6: Final answer
    x = 7,467,692.37

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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.