Home / 13,122,415.20-19,683,622.80-11,925,688.80

Finding the Fourth Proportional to 13,122,415.20, 19,683,622.80 and 11,925,688.80

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Solution

The fourth proportional to 13,122,415.20, 19,683,622.80 and 11,925,688.80 is: 17,888,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,415.20 : 19,683,622.80 = 11,925,688.80 : x
  2. Step 2: Convert to fraction form
    13,122,415.20/19,683,622.80 = 11,925,688.80/x
  3. Step 3: Cross multiply
    13,122,415.20x = 19,683,622.80 × 11,925,688.80
  4. Step 4: Simplify right side
    13,122,415.20x = 234,740,759,969,384.66
  5. Step 5: Solve for x
    x = 234,740,759,969,384.66/13,122,415.20
  6. Step 6: Final answer
    x = 17,888,533.20

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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.