Home / 13,541,571.02-18,687,366.15-7,740,477.38

Finding the Fourth Proportional to 13,541,571.02, 18,687,366.15 and 7,740,477.38

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Solution

The fourth proportional to 13,541,571.02, 18,687,366.15 and 7,740,477.38 is: 10,681,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541,571.02 : 18,687,366.15 = 7,740,477.38 : x
  2. Step 2: Convert to fraction form
    13,541,571.02/18,687,366.15 = 7,740,477.38/x
  3. Step 3: Cross multiply
    13,541,571.02x = 18,687,366.15 × 7,740,477.38
  4. Step 4: Simplify right side
    13,541,571.02x = 144,649,134,975,852.69
  5. Step 5: Solve for x
    x = 144,649,134,975,852.69/13,541,571.02
  6. Step 6: Final answer
    x = 10,681,857.72

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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.