Home / 7,152,798.78-9,871,121.89-4,097,603.52

Finding the Fourth Proportional to 7,152,798.78, 9,871,121.89 and 4,097,603.52

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Solution

The fourth proportional to 7,152,798.78, 9,871,121.89 and 4,097,603.52 is: 5,654,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,798.78 : 9,871,121.89 = 4,097,603.52 : x
  2. Step 2: Convert to fraction form
    7,152,798.78/9,871,121.89 = 4,097,603.52/x
  3. Step 3: Cross multiply
    7,152,798.78x = 9,871,121.89 × 4,097,603.52
  4. Step 4: Simplify right side
    7,152,798.78x = 40,447,943,829,935.95
  5. Step 5: Solve for x
    x = 40,447,943,829,935.95/7,152,798.78
  6. Step 6: Final answer
    x = 5,654,841.56

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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.