Home / 39,872,666.88-59,819,087.79-11,118,805.47

Finding the Fourth Proportional to 39,872,666.88, 59,819,087.79 and 11,118,805.47

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Solution

The fourth proportional to 39,872,666.88, 59,819,087.79 and 11,118,805.47 is: 16,681,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872,666.88 : 59,819,087.79 = 11,118,805.47 : x
  2. Step 2: Convert to fraction form
    39,872,666.88/59,819,087.79 = 11,118,805.47/x
  3. Step 3: Cross multiply
    39,872,666.88x = 59,819,087.79 × 11,118,805.47
  4. Step 4: Simplify right side
    39,872,666.88x = 665,116,800,529,862.25
  5. Step 5: Solve for x
    x = 665,116,800,529,862.25/39,872,666.88
  6. Step 6: Final answer
    x = 16,681,021.18

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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.