Home / 12,577,393.68-17,355,053.14-7,069,989.84

Finding the Fourth Proportional to 12,577,393.68, 17,355,053.14 and 7,069,989.84

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Solution

The fourth proportional to 12,577,393.68, 17,355,053.14 and 7,069,989.84 is: 9,755,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,393.68 : 17,355,053.14 = 7,069,989.84 : x
  2. Step 2: Convert to fraction form
    12,577,393.68/17,355,053.14 = 7,069,989.84/x
  3. Step 3: Cross multiply
    12,577,393.68x = 17,355,053.14 × 7,069,989.84
  4. Step 4: Simplify right side
    12,577,393.68x = 122,700,049,372,460.09
  5. Step 5: Solve for x
    x = 122,700,049,372,460.09/12,577,393.68
  6. Step 6: Final answer
    x = 9,755,602.19

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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.