Home / 13,866,089.28-20,806,386.93-5,674,812

Finding the Fourth Proportional to 13,866,089.28, 20,806,386.93 and 5,674,812

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Solution

The fourth proportional to 13,866,089.28, 20,806,386.93 and 5,674,812 is: 8,515,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866,089.28 : 20,806,386.93 = 5,674,812 : x
  2. Step 2: Convert to fraction form
    13,866,089.28/20,806,386.93 = 5,674,812/x
  3. Step 3: Cross multiply
    13,866,089.28x = 20,806,386.93 × 5,674,812
  4. Step 4: Simplify right side
    13,866,089.28x = 118,072,334,227,007.16
  5. Step 5: Solve for x
    x = 118,072,334,227,007.16/13,866,089.28
  6. Step 6: Final answer
    x = 8,515,186.35

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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.