Home / 12,241,686.47-18,363,557.64-3,722,096.75

Finding the Fourth Proportional to 12,241,686.47, 18,363,557.64 and 3,722,096.75

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Solution

The fourth proportional to 12,241,686.47, 18,363,557.64 and 3,722,096.75 is: 5,583,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,686.47 : 18,363,557.64 = 3,722,096.75 : x
  2. Step 2: Convert to fraction form
    12,241,686.47/18,363,557.64 = 3,722,096.75/x
  3. Step 3: Cross multiply
    12,241,686.47x = 18,363,557.64 × 3,722,096.75
  4. Step 4: Simplify right side
    12,241,686.47x = 68,350,938,210,281.67
  5. Step 5: Solve for x
    x = 68,350,938,210,281.67/12,241,686.47
  6. Step 6: Final answer
    x = 5,583,457.67

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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.