Home / 35,515,360.80-53,273,041.20-12,796,999.20

Finding the Fourth Proportional to 35,515,360.80, 53,273,041.20 and 12,796,999.20

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Solution

The fourth proportional to 35,515,360.80, 53,273,041.20 and 12,796,999.20 is: 19,195,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515,360.80 : 53,273,041.20 = 12,796,999.20 : x
  2. Step 2: Convert to fraction form
    35,515,360.80/53,273,041.20 = 12,796,999.20/x
  3. Step 3: Cross multiply
    35,515,360.80x = 53,273,041.20 × 12,796,999.20
  4. Step 4: Simplify right side
    35,515,360.80x = 681,735,065,617,967
  5. Step 5: Solve for x
    x = 681,735,065,617,967/35,515,360.80
  6. Step 6: Final answer
    x = 19,195,498.80

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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.