Home / 14,390,226.27-19,858,771.89-7,864,130.79

Finding the Fourth Proportional to 14,390,226.27, 19,858,771.89 and 7,864,130.79

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Solution

The fourth proportional to 14,390,226.27, 19,858,771.89 and 7,864,130.79 is: 10,852,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390,226.27 : 19,858,771.89 = 7,864,130.79 : x
  2. Step 2: Convert to fraction form
    14,390,226.27/19,858,771.89 = 7,864,130.79/x
  3. Step 3: Cross multiply
    14,390,226.27x = 19,858,771.89 × 7,864,130.79
  4. Step 4: Simplify right side
    14,390,226.27x = 156,171,979,471,735.50
  5. Step 5: Solve for x
    x = 156,171,979,471,735.50/14,390,226.27
  6. Step 6: Final answer
    x = 10,852,642.38

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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.