Home / 12,794,522.70-17,656,415.75-7,287,895.45

Finding the Fourth Proportional to 12,794,522.70, 17,656,415.75 and 7,287,895.45

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Solution

The fourth proportional to 12,794,522.70, 17,656,415.75 and 7,287,895.45 is: 10,057,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,522.70 : 17,656,415.75 = 7,287,895.45 : x
  2. Step 2: Convert to fraction form
    12,794,522.70/17,656,415.75 = 7,287,895.45/x
  3. Step 3: Cross multiply
    12,794,522.70x = 17,656,415.75 × 7,287,895.45
  4. Step 4: Simplify right side
    12,794,522.70x = 128,678,111,981,812.05
  5. Step 5: Solve for x
    x = 128,678,111,981,812.05/12,794,522.70
  6. Step 6: Final answer
    x = 10,057,281.15

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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.