Home / 35,577,280.89-49,077,661.32-21,642,897.87

Finding the Fourth Proportional to 35,577,280.89, 49,077,661.32 and 21,642,897.87

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Solution

The fourth proportional to 35,577,280.89, 49,077,661.32 and 21,642,897.87 is: 29,855,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,577,280.89 : 49,077,661.32 = 21,642,897.87 : x
  2. Step 2: Convert to fraction form
    35,577,280.89/49,077,661.32 = 21,642,897.87/x
  3. Step 3: Cross multiply
    35,577,280.89x = 49,077,661.32 × 21,642,897.87
  4. Step 4: Simplify right side
    35,577,280.89x = 1,062,182,811,647,209.50
  5. Step 5: Solve for x
    x = 1,062,182,811,647,209.50/35,577,280.89
  6. Step 6: Final answer
    x = 29,855,649.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.