Home / 10,179,020.90-14,053,812.96-7,820,017.16

Finding the Fourth Proportional to 10,179,020.90, 14,053,812.96 and 7,820,017.16

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Solution

The fourth proportional to 10,179,020.90, 14,053,812.96 and 7,820,017.16 is: 10,796,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179,020.90 : 14,053,812.96 = 7,820,017.16 : x
  2. Step 2: Convert to fraction form
    10,179,020.90/14,053,812.96 = 7,820,017.16/x
  3. Step 3: Cross multiply
    10,179,020.90x = 14,053,812.96 × 7,820,017.16
  4. Step 4: Simplify right side
    10,179,020.90x = 109,901,058,440,361.34
  5. Step 5: Solve for x
    x = 109,901,058,440,361.34/10,179,020.90
  6. Step 6: Final answer
    x = 10,796,820.20

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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.