Home / 13,428,607.20-20,142,910.80-11,602,024.80

Finding the Fourth Proportional to 13,428,607.20, 20,142,910.80 and 11,602,024.80

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Solution

The fourth proportional to 13,428,607.20, 20,142,910.80 and 11,602,024.80 is: 17,403,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,607.20 : 20,142,910.80 = 11,602,024.80 : x
  2. Step 2: Convert to fraction form
    13,428,607.20/20,142,910.80 = 11,602,024.80/x
  3. Step 3: Cross multiply
    13,428,607.20x = 20,142,910.80 × 11,602,024.80
  4. Step 4: Simplify right side
    13,428,607.20x = 233,698,550,645,787.88
  5. Step 5: Solve for x
    x = 233,698,550,645,787.88/13,428,607.20
  6. Step 6: Final answer
    x = 17,403,037.20

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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.