Home / 6,688,015.54-9,229,688.63-6,381,559.88

Finding the Fourth Proportional to 6,688,015.54, 9,229,688.63 and 6,381,559.88

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Solution

The fourth proportional to 6,688,015.54, 9,229,688.63 and 6,381,559.88 is: 8,806,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,015.54 : 9,229,688.63 = 6,381,559.88 : x
  2. Step 2: Convert to fraction form
    6,688,015.54/9,229,688.63 = 6,381,559.88/x
  3. Step 3: Cross multiply
    6,688,015.54x = 9,229,688.63 × 6,381,559.88
  4. Step 4: Simplify right side
    6,688,015.54x = 58,899,810,666,100.17
  5. Step 5: Solve for x
    x = 58,899,810,666,100.17/6,688,015.54
  6. Step 6: Final answer
    x = 8,806,769.41

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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.