Home / 20,098,431.54-27,735,966.81-10,931,140.98

Finding the Fourth Proportional to 20,098,431.54, 27,735,966.81 and 10,931,140.98

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Solution

The fourth proportional to 20,098,431.54, 27,735,966.81 and 10,931,140.98 is: 15,085,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098,431.54 : 27,735,966.81 = 10,931,140.98 : x
  2. Step 2: Convert to fraction form
    20,098,431.54/27,735,966.81 = 10,931,140.98/x
  3. Step 3: Cross multiply
    20,098,431.54x = 27,735,966.81 × 10,931,140.98
  4. Step 4: Simplify right side
    20,098,431.54x = 303,185,763,416,710.88
  5. Step 5: Solve for x
    x = 303,185,763,416,710.88/20,098,431.54
  6. Step 6: Final answer
    x = 15,085,045.96

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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.