Home / 19,321,108.16-28,979,885.28-6,540,152

Finding the Fourth Proportional to 19,321,108.16, 28,979,885.28 and 6,540,152

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Solution

The fourth proportional to 19,321,108.16, 28,979,885.28 and 6,540,152 is: 9,809,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321,108.16 : 28,979,885.28 = 6,540,152 : x
  2. Step 2: Convert to fraction form
    19,321,108.16/28,979,885.28 = 6,540,152/x
  3. Step 3: Cross multiply
    19,321,108.16x = 28,979,885.28 × 6,540,152
  4. Step 4: Simplify right side
    19,321,108.16x = 189,532,854,673,762.56
  5. Step 5: Solve for x
    x = 189,532,854,673,762.56/19,321,108.16
  6. Step 6: Final answer
    x = 9,809,626.50

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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.