Home / 7,762,762.54-10,712,685.52-4,278,226.97

Finding the Fourth Proportional to 7,762,762.54, 10,712,685.52 and 4,278,226.97

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Solution

The fourth proportional to 7,762,762.54, 10,712,685.52 and 4,278,226.97 is: 5,903,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762,762.54 : 10,712,685.52 = 4,278,226.97 : x
  2. Step 2: Convert to fraction form
    7,762,762.54/10,712,685.52 = 4,278,226.97/x
  3. Step 3: Cross multiply
    7,762,762.54x = 10,712,685.52 × 4,278,226.97
  4. Step 4: Simplify right side
    7,762,762.54x = 45,831,300,128,878.62
  5. Step 5: Solve for x
    x = 45,831,300,128,878.62/7,762,762.54
  6. Step 6: Final answer
    x = 5,903,993.57

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1.5x scale

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.