Home / 19,928,318.70-29,873,669.85-10,816,985.10

Finding the Fourth Proportional to 19,928,318.70, 29,873,669.85 and 10,816,985.10

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Solution

The fourth proportional to 19,928,318.70, 29,873,669.85 and 10,816,985.10 is: 16,215,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,318.70 : 29,873,669.85 = 10,816,985.10 : x
  2. Step 2: Convert to fraction form
    19,928,318.70/29,873,669.85 = 10,816,985.10/x
  3. Step 3: Cross multiply
    19,928,318.70x = 29,873,669.85 × 10,816,985.10
  4. Step 4: Simplify right side
    19,928,318.70x = 323,143,041,649,769.25
  5. Step 5: Solve for x
    x = 323,143,041,649,769.25/19,928,318.70
  6. Step 6: Final answer
    x = 16,215,268.66

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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.