Home / 9,347,933.77-12,900,113.80-5,217,928.86

Finding the Fourth Proportional to 9,347,933.77, 12,900,113.80 and 5,217,928.86

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Solution

The fourth proportional to 9,347,933.77, 12,900,113.80 and 5,217,928.86 is: 7,200,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,347,933.77 : 12,900,113.80 = 5,217,928.86 : x
  2. Step 2: Convert to fraction form
    9,347,933.77/12,900,113.80 = 5,217,928.86/x
  3. Step 3: Cross multiply
    9,347,933.77x = 12,900,113.80 × 5,217,928.86
  4. Step 4: Simplify right side
    9,347,933.77x = 67,311,876,094,304.27
  5. Step 5: Solve for x
    x = 67,311,876,094,304.27/9,347,933.77
  6. Step 6: Final answer
    x = 7,200,722.40

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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.