Home / 13,720,436.84-20,562,368.22-7,241,989.18

Finding the Fourth Proportional to 13,720,436.84, 20,562,368.22 and 7,241,989.18

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Solution

The fourth proportional to 13,720,436.84, 20,562,368.22 and 7,241,989.18 is: 10,853,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,436.84 : 20,562,368.22 = 7,241,989.18 : x
  2. Step 2: Convert to fraction form
    13,720,436.84/20,562,368.22 = 7,241,989.18/x
  3. Step 3: Cross multiply
    13,720,436.84x = 20,562,368.22 × 7,241,989.18
  4. Step 4: Simplify right side
    13,720,436.84x = 148,912,448,113,009.94
  5. Step 5: Solve for x
    x = 148,912,448,113,009.94/13,720,436.84
  6. Step 6: Final answer
    x = 10,853,331.41

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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.