Home / 38,584,395.29-53,245,087.84-21,838,775.47

Finding the Fourth Proportional to 38,584,395.29, 53,245,087.84 and 21,838,775.47

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Solution

The fourth proportional to 38,584,395.29, 53,245,087.84 and 21,838,775.47 is: 30,136,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584,395.29 : 53,245,087.84 = 21,838,775.47 : x
  2. Step 2: Convert to fraction form
    38,584,395.29/53,245,087.84 = 21,838,775.47/x
  3. Step 3: Cross multiply
    38,584,395.29x = 53,245,087.84 × 21,838,775.47
  4. Step 4: Simplify right side
    38,584,395.29x = 1,162,807,518,218,187.25
  5. Step 5: Solve for x
    x = 1,162,807,518,218,187.25/38,584,395.29
  6. Step 6: Final answer
    x = 30,136,730.39

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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.