Home / 12,996,325.84-17,934,934.03-7,116,331.92

Finding the Fourth Proportional to 12,996,325.84, 17,934,934.03 and 7,116,331.92

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Solution

The fourth proportional to 12,996,325.84, 17,934,934.03 and 7,116,331.92 is: 9,820,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996,325.84 : 17,934,934.03 = 7,116,331.92 : x
  2. Step 2: Convert to fraction form
    12,996,325.84/17,934,934.03 = 7,116,331.92/x
  3. Step 3: Cross multiply
    12,996,325.84x = 17,934,934.03 × 7,116,331.92
  4. Step 4: Simplify right side
    12,996,325.84x = 127,630,943,502,992.41
  5. Step 5: Solve for x
    x = 127,630,943,502,992.41/12,996,325.84
  6. Step 6: Final answer
    x = 9,820,540.44

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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.