Home / 19,058,750.52-28,589,838.93-5,412,030.90

Finding the Fourth Proportional to 19,058,750.52, 28,589,838.93 and 5,412,030.90

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Solution

The fourth proportional to 19,058,750.52, 28,589,838.93 and 5,412,030.90 is: 8,118,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058,750.52 : 28,589,838.93 = 5,412,030.90 : x
  2. Step 2: Convert to fraction form
    19,058,750.52/28,589,838.93 = 5,412,030.90/x
  3. Step 3: Cross multiply
    19,058,750.52x = 28,589,838.93 × 5,412,030.90
  4. Step 4: Simplify right side
    19,058,750.52x = 154,729,091,715,182.94
  5. Step 5: Solve for x
    x = 154,729,091,715,182.94/19,058,750.52
  6. Step 6: Final answer
    x = 8,118,532.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.