Home / 31,052,169.32-42,859,295.91-19,300,313.07

Finding the Fourth Proportional to 31,052,169.32, 42,859,295.91 and 19,300,313.07

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Solution

The fourth proportional to 31,052,169.32, 42,859,295.91 and 19,300,313.07 is: 26,638,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,052,169.32 : 42,859,295.91 = 19,300,313.07 : x
  2. Step 2: Convert to fraction form
    31,052,169.32/42,859,295.91 = 19,300,313.07/x
  3. Step 3: Cross multiply
    31,052,169.32x = 42,859,295.91 × 19,300,313.07
  4. Step 4: Simplify right side
    31,052,169.32x = 827,197,829,022,770.50
  5. Step 5: Solve for x
    x = 827,197,829,022,770.50/31,052,169.32
  6. Step 6: Final answer
    x = 26,638,970.72

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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.