Home / 13,456,441.02-20,187,752.40-3,871,898.94

Finding the Fourth Proportional to 13,456,441.02, 20,187,752.40 and 3,871,898.94

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Solution

The fourth proportional to 13,456,441.02, 20,187,752.40 and 3,871,898.94 is: 5,808,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,441.02 : 20,187,752.40 = 3,871,898.94 : x
  2. Step 2: Convert to fraction form
    13,456,441.02/20,187,752.40 = 3,871,898.94/x
  3. Step 3: Cross multiply
    13,456,441.02x = 20,187,752.40 × 3,871,898.94
  4. Step 4: Simplify right side
    13,456,441.02x = 78,164,937,118,542.45
  5. Step 5: Solve for x
    x = 78,164,937,118,542.45/13,456,441.02
  6. Step 6: Final answer
    x = 5,808,737.76

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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.