Home / 7,144,812.15-9,860,042.47-4,047,334.57

Finding the Fourth Proportional to 7,144,812.15, 9,860,042.47 and 4,047,334.57

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Solution

The fourth proportional to 7,144,812.15, 9,860,042.47 and 4,047,334.57 is: 5,585,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,812.15 : 9,860,042.47 = 4,047,334.57 : x
  2. Step 2: Convert to fraction form
    7,144,812.15/9,860,042.47 = 4,047,334.57/x
  3. Step 3: Cross multiply
    7,144,812.15x = 9,860,042.47 × 4,047,334.57
  4. Step 4: Simplify right side
    7,144,812.15x = 39,906,890,785,762.11
  5. Step 5: Solve for x
    x = 39,906,890,785,762.11/7,144,812.15
  6. Step 6: Final answer
    x = 5,585,435.97

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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.