Home / 9,139,249.02-12,611,949.03-5,064,780.54

Finding the Fourth Proportional to 9,139,249.02, 12,611,949.03 and 5,064,780.54

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Solution

The fourth proportional to 9,139,249.02, 12,611,949.03 and 5,064,780.54 is: 6,989,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,249.02 : 12,611,949.03 = 5,064,780.54 : x
  2. Step 2: Convert to fraction form
    9,139,249.02/12,611,949.03 = 5,064,780.54/x
  3. Step 3: Cross multiply
    9,139,249.02x = 12,611,949.03 × 5,064,780.54
  4. Step 4: Simplify right side
    9,139,249.02x = 63,876,754,018,615.88
  5. Step 5: Solve for x
    x = 63,876,754,018,615.88/9,139,249.02
  6. Step 6: Final answer
    x = 6,989,278.21

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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.