Home / 29,428,353.51-40,588,121.12-19,118,398.47

Finding the Fourth Proportional to 29,428,353.51, 40,588,121.12 and 19,118,398.47

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Solution

The fourth proportional to 29,428,353.51, 40,588,121.12 and 19,118,398.47 is: 26,368,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428,353.51 : 40,588,121.12 = 19,118,398.47 : x
  2. Step 2: Convert to fraction form
    29,428,353.51/40,588,121.12 = 19,118,398.47/x
  3. Step 3: Cross multiply
    29,428,353.51x = 40,588,121.12 × 19,118,398.47
  4. Step 4: Simplify right side
    29,428,353.51x = 775,979,872,625,190.62
  5. Step 5: Solve for x
    x = 775,979,872,625,190.62/29,428,353.51
  6. Step 6: Final answer
    x = 26,368,443.36

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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.