Home / 12,778,575.84-17,634,798-6,977,725.92

Finding the Fourth Proportional to 12,778,575.84, 17,634,798 and 6,977,725.92

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Solution

The fourth proportional to 12,778,575.84, 17,634,798 and 6,977,725.92 is: 9,629,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,575.84 : 17,634,798 = 6,977,725.92 : x
  2. Step 2: Convert to fraction form
    12,778,575.84/17,634,798 = 6,977,725.92/x
  3. Step 3: Cross multiply
    12,778,575.84x = 17,634,798 × 6,977,725.92
  4. Step 4: Simplify right side
    12,778,575.84x = 123,050,787,098,564.16
  5. Step 5: Solve for x
    x = 123,050,787,098,564.16/12,778,575.84
  6. Step 6: Final answer
    x = 9,629,460.17

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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.