Home / 12,660,164.09-17,470,798.93-7,153,420.43

Finding the Fourth Proportional to 12,660,164.09, 17,470,798.93 and 7,153,420.43

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Solution

The fourth proportional to 12,660,164.09, 17,470,798.93 and 7,153,420.43 is: 9,871,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660,164.09 : 17,470,798.93 = 7,153,420.43 : x
  2. Step 2: Convert to fraction form
    12,660,164.09/17,470,798.93 = 7,153,420.43/x
  3. Step 3: Cross multiply
    12,660,164.09x = 17,470,798.93 × 7,153,420.43
  4. Step 4: Simplify right side
    12,660,164.09x = 124,975,969,948,629.66
  5. Step 5: Solve for x
    x = 124,975,969,948,629.66/12,660,164.09
  6. Step 6: Final answer
    x = 9,871,591.64

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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.