Home / 12,762,056.94-19,151,366.88-7,640,627.82

Finding the Fourth Proportional to 12,762,056.94, 19,151,366.88 and 7,640,627.82

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Solution

The fourth proportional to 12,762,056.94, 19,151,366.88 and 7,640,627.82 is: 11,465,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762,056.94 : 19,151,366.88 = 7,640,627.82 : x
  2. Step 2: Convert to fraction form
    12,762,056.94/19,151,366.88 = 7,640,627.82/x
  3. Step 3: Cross multiply
    12,762,056.94x = 19,151,366.88 × 7,640,627.82
  4. Step 4: Simplify right side
    12,762,056.94x = 146,328,466,574,354.59
  5. Step 5: Solve for x
    x = 146,328,466,574,354.59/12,762,056.94
  6. Step 6: Final answer
    x = 11,465,899.84

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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.