Home / 12,679,802.25-17,498,127.11-7,247,410.89

Finding the Fourth Proportional to 12,679,802.25, 17,498,127.11 and 7,247,410.89

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Solution

The fourth proportional to 12,679,802.25, 17,498,127.11 and 7,247,410.89 is: 10,001,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,802.25 : 17,498,127.11 = 7,247,410.89 : x
  2. Step 2: Convert to fraction form
    12,679,802.25/17,498,127.11 = 7,247,410.89/x
  3. Step 3: Cross multiply
    12,679,802.25x = 17,498,127.11 × 7,247,410.89
  4. Step 4: Simplify right side
    12,679,802.25x = 126,816,116,935,381.17
  5. Step 5: Solve for x
    x = 126,816,116,935,381.17/12,679,802.25
  6. Step 6: Final answer
    x = 10,001,427.03

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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.