Home / 38,308,260.57-52,866,516.06-20,905,726.74

Finding the Fourth Proportional to 38,308,260.57, 52,866,516.06 and 20,905,726.74

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Solution

The fourth proportional to 38,308,260.57, 52,866,516.06 and 20,905,726.74 is: 28,850,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,260.57 : 52,866,516.06 = 20,905,726.74 : x
  2. Step 2: Convert to fraction form
    38,308,260.57/52,866,516.06 = 20,905,726.74/x
  3. Step 3: Cross multiply
    38,308,260.57x = 52,866,516.06 × 20,905,726.74
  4. Step 4: Simplify right side
    38,308,260.57x = 1,105,212,938,341,652.75
  5. Step 5: Solve for x
    x = 1,105,212,938,341,652.75/38,308,260.57
  6. Step 6: Final answer
    x = 28,850,512.18

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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.