Home / 12,381,592.56-18,571,889.52-6,316,191.24

Finding the Fourth Proportional to 12,381,592.56, 18,571,889.52 and 6,316,191.24

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Solution

The fourth proportional to 12,381,592.56, 18,571,889.52 and 6,316,191.24 is: 9,474,032.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,592.56 : 18,571,889.52 = 6,316,191.24 : x
  2. Step 2: Convert to fraction form
    12,381,592.56/18,571,889.52 = 6,316,191.24/x
  3. Step 3: Cross multiply
    12,381,592.56x = 18,571,889.52 × 6,316,191.24
  4. Step 4: Simplify right side
    12,381,592.56x = 117,303,605,896,471.81
  5. Step 5: Solve for x
    x = 117,303,605,896,471.81/12,381,592.56
  6. Step 6: Final answer
    x = 9,474,032.14

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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.