Home / 7,121,032.93-10,681,549.54-1,729,647.02

Finding the Fourth Proportional to 7,121,032.93, 10,681,549.54 and 1,729,647.02

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Solution

The fourth proportional to 7,121,032.93, 10,681,549.54 and 1,729,647.02 is: 2,594,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,032.93 : 10,681,549.54 = 1,729,647.02 : x
  2. Step 2: Convert to fraction form
    7,121,032.93/10,681,549.54 = 1,729,647.02/x
  3. Step 3: Cross multiply
    7,121,032.93x = 10,681,549.54 × 1,729,647.02
  4. Step 4: Simplify right side
    7,121,032.93x = 18,475,310,353,223.12
  5. Step 5: Solve for x
    x = 18,475,310,353,223.12/7,121,032.93
  6. Step 6: Final answer
    x = 2,594,470.57

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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.