Home / 38,566,419.56-53,221,511.70-21,163,055.72

Finding the Fourth Proportional to 38,566,419.56, 53,221,511.70 and 21,163,055.72

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Solution

The fourth proportional to 38,566,419.56, 53,221,511.70 and 21,163,055.72 is: 29,204,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566,419.56 : 53,221,511.70 = 21,163,055.72 : x
  2. Step 2: Convert to fraction form
    38,566,419.56/53,221,511.70 = 21,163,055.72/x
  3. Step 3: Cross multiply
    38,566,419.56x = 53,221,511.70 × 21,163,055.72
  4. Step 4: Simplify right side
    38,566,419.56x = 1,126,329,817,609,732
  5. Step 5: Solve for x
    x = 1,126,329,817,609,732/38,566,419.56
  6. Step 6: Final answer
    x = 29,204,936.07

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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.