Home / 38,411,938.22-53,009,854.52-21,894,555.11

Finding the Fourth Proportional to 38,411,938.22, 53,009,854.52 and 21,894,555.11

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Solution

The fourth proportional to 38,411,938.22, 53,009,854.52 and 21,894,555.11 is: 30,215,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411,938.22 : 53,009,854.52 = 21,894,555.11 : x
  2. Step 2: Convert to fraction form
    38,411,938.22/53,009,854.52 = 21,894,555.11/x
  3. Step 3: Cross multiply
    38,411,938.22x = 53,009,854.52 × 21,894,555.11
  4. Step 4: Simplify right side
    38,411,938.22x = 1,160,627,180,786,700.50
  5. Step 5: Solve for x
    x = 1,160,627,180,786,700.50/38,411,938.22
  6. Step 6: Final answer
    x = 30,215,272.51

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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.