Home / 29,643,943.71-40,909,920.84-16,413,120.51

Finding the Fourth Proportional to 29,643,943.71, 40,909,920.84 and 16,413,120.51

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Solution

The fourth proportional to 29,643,943.71, 40,909,920.84 and 16,413,120.51 is: 22,650,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,643,943.71 : 40,909,920.84 = 16,413,120.51 : x
  2. Step 2: Convert to fraction form
    29,643,943.71/40,909,920.84 = 16,413,120.51/x
  3. Step 3: Cross multiply
    29,643,943.71x = 40,909,920.84 × 16,413,120.51
  4. Step 4: Simplify right side
    29,643,943.71x = 671,459,460,719,414.88
  5. Step 5: Solve for x
    x = 671,459,460,719,414.88/29,643,943.71
  6. Step 6: Final answer
    x = 22,650,814.19

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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.