Home / 20,825,428.02-31,258,292.40-10,050,313.92

Finding the Fourth Proportional to 20,825,428.02, 31,258,292.40 and 10,050,313.92

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Solution

The fourth proportional to 20,825,428.02, 31,258,292.40 and 10,050,313.92 is: 15,085,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,825,428.02 : 31,258,292.40 = 10,050,313.92 : x
  2. Step 2: Convert to fraction form
    20,825,428.02/31,258,292.40 = 10,050,313.92/x
  3. Step 3: Cross multiply
    20,825,428.02x = 31,258,292.40 × 10,050,313.92
  4. Step 4: Simplify right side
    20,825,428.02x = 314,155,651,223,150.19
  5. Step 5: Solve for x
    x = 314,155,651,223,150.19/20,825,428.02
  6. Step 6: Final answer
    x = 15,085,195.41

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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.