Home / 13,036,395.79-19,586,475.30-12,311,270.83

Finding the Fourth Proportional to 13,036,395.79, 19,586,475.30 and 12,311,270.83

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Solution

The fourth proportional to 13,036,395.79, 19,586,475.30 and 12,311,270.83 is: 18,497,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036,395.79 : 19,586,475.30 = 12,311,270.83 : x
  2. Step 2: Convert to fraction form
    13,036,395.79/19,586,475.30 = 12,311,270.83/x
  3. Step 3: Cross multiply
    13,036,395.79x = 19,586,475.30 × 12,311,270.83
  4. Step 4: Simplify right side
    13,036,395.79x = 241,134,402,094,055.88
  5. Step 5: Solve for x
    x = 241,134,402,094,055.88/13,036,395.79
  6. Step 6: Final answer
    x = 18,497,014.51

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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.