Home / 12,820,095.80-17,691,724.08-7,018,876.01

Finding the Fourth Proportional to 12,820,095.80, 17,691,724.08 and 7,018,876.01

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Solution

The fourth proportional to 12,820,095.80, 17,691,724.08 and 7,018,876.01 is: 9,686,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820,095.80 : 17,691,724.08 = 7,018,876.01 : x
  2. Step 2: Convert to fraction form
    12,820,095.80/17,691,724.08 = 7,018,876.01/x
  3. Step 3: Cross multiply
    12,820,095.80x = 17,691,724.08 × 7,018,876.01
  4. Step 4: Simplify right side
    12,820,095.80x = 124,176,017,632,192.69
  5. Step 5: Solve for x
    x = 124,176,017,632,192.69/12,820,095.80
  6. Step 6: Final answer
    x = 9,686,044.44

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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.