Home / 13,041,040.38-19,536,113.61-8,539,669.50

Finding the Fourth Proportional to 13,041,040.38, 19,536,113.61 and 8,539,669.50

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Solution

The fourth proportional to 13,041,040.38, 19,536,113.61 and 8,539,669.50 is: 12,792,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041,040.38 : 19,536,113.61 = 8,539,669.50 : x
  2. Step 2: Convert to fraction form
    13,041,040.38/19,536,113.61 = 8,539,669.50/x
  3. Step 3: Cross multiply
    13,041,040.38x = 19,536,113.61 × 8,539,669.50
  4. Step 4: Simplify right side
    13,041,040.38x = 166,831,953,543,851.88
  5. Step 5: Solve for x
    x = 166,831,953,543,851.88/13,041,040.38
  6. Step 6: Final answer
    x = 12,792,840.81

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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.