Home / 22,969,019.71-31,687,288.14-13,671,376.03

Finding the Fourth Proportional to 22,969,019.71, 31,687,288.14 and 13,671,376.03

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Solution

The fourth proportional to 22,969,019.71, 31,687,288.14 and 13,671,376.03 is: 18,860,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,969,019.71 : 31,687,288.14 = 13,671,376.03 : x
  2. Step 2: Convert to fraction form
    22,969,019.71/31,687,288.14 = 13,671,376.03/x
  3. Step 3: Cross multiply
    22,969,019.71x = 31,687,288.14 × 13,671,376.03
  4. Step 4: Simplify right side
    22,969,019.71x = 433,208,831,532,899.25
  5. Step 5: Solve for x
    x = 433,208,831,532,899.25/22,969,019.71
  6. Step 6: Final answer
    x = 18,860,571.20

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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.