Home / 31,146,825-46,720,237.50-9,871,689

Finding the Fourth Proportional to 31,146,825, 46,720,237.50 and 9,871,689

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Solution

The fourth proportional to 31,146,825, 46,720,237.50 and 9,871,689 is: 14,807,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146,825 : 46,720,237.50 = 9,871,689 : x
  2. Step 2: Convert to fraction form
    31,146,825/46,720,237.50 = 9,871,689/x
  3. Step 3: Cross multiply
    31,146,825x = 46,720,237.50 × 9,871,689
  4. Step 4: Simplify right side
    31,146,825x = 461,207,654,606,137.50
  5. Step 5: Solve for x
    x = 461,207,654,606,137.50/31,146,825
  6. Step 6: Final answer
    x = 14,807,533.50

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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.