Home / 7,772,898.60-10,726,564.56-4,288,142.52

Finding the Fourth Proportional to 7,772,898.60, 10,726,564.56 and 4,288,142.52

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Solution

The fourth proportional to 7,772,898.60, 10,726,564.56 and 4,288,142.52 is: 5,917,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,898.60 : 10,726,564.56 = 4,288,142.52 : x
  2. Step 2: Convert to fraction form
    7,772,898.60/10,726,564.56 = 4,288,142.52/x
  3. Step 3: Cross multiply
    7,772,898.60x = 10,726,564.56 × 4,288,142.52
  4. Step 4: Simplify right side
    7,772,898.60x = 45,997,037,583,261.09
  5. Step 5: Solve for x
    x = 45,997,037,583,261.09/7,772,898.60
  6. Step 6: Final answer
    x = 5,917,617.09

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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.