Home / 30,741,820.15-42,422,552.31-16,803,057.66

Finding the Fourth Proportional to 30,741,820.15, 42,422,552.31 and 16,803,057.66

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Solution

The fourth proportional to 30,741,820.15, 42,422,552.31 and 16,803,057.66 is: 23,187,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,741,820.15 : 42,422,552.31 = 16,803,057.66 : x
  2. Step 2: Convert to fraction form
    30,741,820.15/42,422,552.31 = 16,803,057.66/x
  3. Step 3: Cross multiply
    30,741,820.15x = 42,422,552.31 × 16,803,057.66
  4. Step 4: Simplify right side
    30,741,820.15x = 712,828,592,549,296.25
  5. Step 5: Solve for x
    x = 712,828,592,549,296.25/30,741,820.15
  6. Step 6: Final answer
    x = 23,187,585.81

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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.