Home / 13,472,424.80-20,208,637.20-9,220,896.80

Finding the Fourth Proportional to 13,472,424.80, 20,208,637.20 and 9,220,896.80

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Solution

The fourth proportional to 13,472,424.80, 20,208,637.20 and 9,220,896.80 is: 13,831,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472,424.80 : 20,208,637.20 = 9,220,896.80 : x
  2. Step 2: Convert to fraction form
    13,472,424.80/20,208,637.20 = 9,220,896.80/x
  3. Step 3: Cross multiply
    13,472,424.80x = 20,208,637.20 × 9,220,896.80
  4. Step 4: Simplify right side
    13,472,424.80x = 186,341,758,089,840.97
  5. Step 5: Solve for x
    x = 186,341,758,089,840.97/13,472,424.80
  6. Step 6: Final answer
    x = 13,831,345.20

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1.5x scale

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.