Home / 31,131,661.40-46,697,492.10-16,782,754.40

Finding the Fourth Proportional to 31,131,661.40, 46,697,492.10 and 16,782,754.40

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Solution

The fourth proportional to 31,131,661.40, 46,697,492.10 and 16,782,754.40 is: 25,174,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,661.40 : 46,697,492.10 = 16,782,754.40 : x
  2. Step 2: Convert to fraction form
    31,131,661.40/46,697,492.10 = 16,782,754.40/x
  3. Step 3: Cross multiply
    31,131,661.40x = 46,697,492.10 × 16,782,754.40
  4. Step 4: Simplify right side
    31,131,661.40x = 783,712,541,010,240.25
  5. Step 5: Solve for x
    x = 783,712,541,010,240.25/31,131,661.40
  6. Step 6: Final answer
    x = 25,174,131.60

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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.