Home / 15,726,577.76-21,700,336.56-8,850,649.76

Finding the Fourth Proportional to 15,726,577.76, 21,700,336.56 and 8,850,649.76

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Solution

The fourth proportional to 15,726,577.76, 21,700,336.56 and 8,850,649.76 is: 12,212,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,577.76 : 21,700,336.56 = 8,850,649.76 : x
  2. Step 2: Convert to fraction form
    15,726,577.76/21,700,336.56 = 8,850,649.76/x
  3. Step 3: Cross multiply
    15,726,577.76x = 21,700,336.56 × 8,850,649.76
  4. Step 4: Simplify right side
    15,726,577.76x = 192,062,078,566,683.22
  5. Step 5: Solve for x
    x = 192,062,078,566,683.22/15,726,577.76
  6. Step 6: Final answer
    x = 12,212,579.34

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1.5x scale

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.