Home / 30,178,516.89-41,643,978.89-17,125,775.76

Finding the Fourth Proportional to 30,178,516.89, 41,643,978.89 and 17,125,775.76

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Solution

The fourth proportional to 30,178,516.89, 41,643,978.89 and 17,125,775.76 is: 23,632,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178,516.89 : 41,643,978.89 = 17,125,775.76 : x
  2. Step 2: Convert to fraction form
    30,178,516.89/41,643,978.89 = 17,125,775.76/x
  3. Step 3: Cross multiply
    30,178,516.89x = 41,643,978.89 × 17,125,775.76
  4. Step 4: Simplify right side
    30,178,516.89x = 713,185,444,294,849.75
  5. Step 5: Solve for x
    x = 713,185,444,294,849.75/30,178,516.89
  6. Step 6: Final answer
    x = 23,632,223.11

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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.