Home / 7,212,919.50-9,953,829-4,157,330.58

Finding the Fourth Proportional to 7,212,919.50, 9,953,829 and 4,157,330.58

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Solution

The fourth proportional to 7,212,919.50, 9,953,829 and 4,157,330.58 is: 5,737,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,919.50 : 9,953,829 = 4,157,330.58 : x
  2. Step 2: Convert to fraction form
    7,212,919.50/9,953,829 = 4,157,330.58/x
  3. Step 3: Cross multiply
    7,212,919.50x = 9,953,829 × 4,157,330.58
  4. Step 4: Simplify right side
    7,212,919.50x = 41,381,357,689,790.82
  5. Step 5: Solve for x
    x = 41,381,357,689,790.82/7,212,919.50
  6. Step 6: Final answer
    x = 5,737,116.25

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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.