Home / 20,825,429.15-31,258,294.10-10,050,315.05

Finding the Fourth Proportional to 20,825,429.15, 31,258,294.10 and 10,050,315.05

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Solution

The fourth proportional to 20,825,429.15, 31,258,294.10 and 10,050,315.05 is: 15,085,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,825,429.15 : 31,258,294.10 = 10,050,315.05 : x
  2. Step 2: Convert to fraction form
    20,825,429.15/31,258,294.10 = 10,050,315.05/x
  3. Step 3: Cross multiply
    20,825,429.15x = 31,258,294.10 × 10,050,315.05
  4. Step 4: Simplify right side
    20,825,429.15x = 314,155,703,424,013.12
  5. Step 5: Solve for x
    x = 314,155,703,424,013.12/20,825,429.15
  6. Step 6: Final answer
    x = 15,085,197.10

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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.