Home / 30,802,614.11-42,507,943.40-17,051,807.87

Finding the Fourth Proportional to 30,802,614.11, 42,507,943.40 and 17,051,807.87

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Solution

The fourth proportional to 30,802,614.11, 42,507,943.40 and 17,051,807.87 is: 23,531,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,614.11 : 42,507,943.40 = 17,051,807.87 : x
  2. Step 2: Convert to fraction form
    30,802,614.11/42,507,943.40 = 17,051,807.87/x
  3. Step 3: Cross multiply
    30,802,614.11x = 42,507,943.40 × 17,051,807.87
  4. Step 4: Simplify right side
    30,802,614.11x = 724,837,283,720,375.62
  5. Step 5: Solve for x
    x = 724,837,283,720,375.62/30,802,614.11
  6. Step 6: Final answer
    x = 23,531,680.82

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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.