Home / 18,202,359.54-25,119,090.19-9,942,420.50

Finding the Fourth Proportional to 18,202,359.54, 25,119,090.19 and 9,942,420.50

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Solution

The fourth proportional to 18,202,359.54, 25,119,090.19 and 9,942,420.50 is: 13,720,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202,359.54 : 25,119,090.19 = 9,942,420.50 : x
  2. Step 2: Convert to fraction form
    18,202,359.54/25,119,090.19 = 9,942,420.50/x
  3. Step 3: Cross multiply
    18,202,359.54x = 25,119,090.19 × 9,942,420.50
  4. Step 4: Simplify right side
    18,202,359.54x = 249,744,557,095,953.38
  5. Step 5: Solve for x
    x = 249,744,557,095,953.38/18,202,359.54
  6. Step 6: Final answer
    x = 13,720,449.63

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1.5x scale

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.