Home / 12,778,906.17-17,634,820.17-6,977,646.63

Finding the Fourth Proportional to 12,778,906.17, 17,634,820.17 and 6,977,646.63

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Solution

The fourth proportional to 12,778,906.17, 17,634,820.17 and 6,977,646.63 is: 9,629,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,906.17 : 17,634,820.17 = 6,977,646.63 : x
  2. Step 2: Convert to fraction form
    12,778,906.17/17,634,820.17 = 6,977,646.63/x
  3. Step 3: Cross multiply
    12,778,906.17x = 17,634,820.17 × 6,977,646.63
  4. Step 4: Simplify right side
    12,778,906.17x = 123,049,543,529,856.53
  5. Step 5: Solve for x
    x = 123,049,543,529,856.53/12,778,906.17
  6. Step 6: Final answer
    x = 9,629,113.94

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1.5x scale

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.