Home / 13,326,283.20-18,390,696.36-8,174,848.44

Finding the Fourth Proportional to 13,326,283.20, 18,390,696.36 and 8,174,848.44

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Solution

The fourth proportional to 13,326,283.20, 18,390,696.36 and 8,174,848.44 is: 11,281,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326,283.20 : 18,390,696.36 = 8,174,848.44 : x
  2. Step 2: Convert to fraction form
    13,326,283.20/18,390,696.36 = 8,174,848.44/x
  3. Step 3: Cross multiply
    13,326,283.20x = 18,390,696.36 × 8,174,848.44
  4. Step 4: Simplify right side
    13,326,283.20x = 150,341,155,449,059.69
  5. Step 5: Solve for x
    x = 150,341,155,449,059.69/13,326,283.20
  6. Step 6: Final answer
    x = 11,281,551.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.