Home / 38,566,206.88-53,221,219.50-21,162,843.34

Finding the Fourth Proportional to 38,566,206.88, 53,221,219.50 and 21,162,843.34

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Solution

The fourth proportional to 38,566,206.88, 53,221,219.50 and 21,162,843.34 is: 29,204,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566,206.88 : 53,221,219.50 = 21,162,843.34 : x
  2. Step 2: Convert to fraction form
    38,566,206.88/53,221,219.50 = 21,162,843.34/x
  3. Step 3: Cross multiply
    38,566,206.88x = 53,221,219.50 × 21,162,843.34
  4. Step 4: Simplify right side
    38,566,206.88x = 1,126,312,330,642,253
  5. Step 5: Solve for x
    x = 1,126,312,330,642,253/38,566,206.88
  6. Step 6: Final answer
    x = 29,204,643.70

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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.