Home / 7,731,838.80-10,669,962.60-4,294,079.60

Finding the Fourth Proportional to 7,731,838.80, 10,669,962.60 and 4,294,079.60

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Solution

The fourth proportional to 7,731,838.80, 10,669,962.60 and 4,294,079.60 is: 5,925,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731,838.80 : 10,669,962.60 = 4,294,079.60 : x
  2. Step 2: Convert to fraction form
    7,731,838.80/10,669,962.60 = 4,294,079.60/x
  3. Step 3: Cross multiply
    7,731,838.80x = 10,669,962.60 × 4,294,079.60
  4. Step 4: Simplify right side
    7,731,838.80x = 45,817,668,733,422.95
  5. Step 5: Solve for x
    x = 45,817,668,733,422.95/7,731,838.80
  6. Step 6: Final answer
    x = 5,925,843.76

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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.