Home / 39,063,901.14-53,903,228.10-21,418,160.46

Finding the Fourth Proportional to 39,063,901.14, 53,903,228.10 and 21,418,160.46

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Solution

The fourth proportional to 39,063,901.14, 53,903,228.10 and 21,418,160.46 is: 29,554,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,063,901.14 : 53,903,228.10 = 21,418,160.46 : x
  2. Step 2: Convert to fraction form
    39,063,901.14/53,903,228.10 = 21,418,160.46/x
  3. Step 3: Cross multiply
    39,063,901.14x = 53,903,228.10 × 21,418,160.46
  4. Step 4: Simplify right side
    39,063,901.14x = 1,154,507,988,757,781
  5. Step 5: Solve for x
    x = 1,154,507,988,757,781/39,063,901.14
  6. Step 6: Final answer
    x = 29,554,344.42

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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.