Home / 15,331,681.78-23,007,749.76-7,952,530.21

Finding the Fourth Proportional to 15,331,681.78, 23,007,749.76 and 7,952,530.21

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Solution

The fourth proportional to 15,331,681.78, 23,007,749.76 and 7,952,530.21 is: 11,934,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331,681.78 : 23,007,749.76 = 7,952,530.21 : x
  2. Step 2: Convert to fraction form
    15,331,681.78/23,007,749.76 = 7,952,530.21/x
  3. Step 3: Cross multiply
    15,331,681.78x = 23,007,749.76 × 7,952,530.21
  4. Step 4: Simplify right side
    15,331,681.78x = 182,969,825,030,520.25
  5. Step 5: Solve for x
    x = 182,969,825,030,520.25/15,331,681.78
  6. Step 6: Final answer
    x = 11,934,100.10

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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.