Home / 12,812,313.98-17,680,991.64-7,011,096.42

Finding the Fourth Proportional to 12,812,313.98, 17,680,991.64 and 7,011,096.42

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Solution

The fourth proportional to 12,812,313.98, 17,680,991.64 and 7,011,096.42 is: 9,675,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,313.98 : 17,680,991.64 = 7,011,096.42 : x
  2. Step 2: Convert to fraction form
    12,812,313.98/17,680,991.64 = 7,011,096.42/x
  3. Step 3: Cross multiply
    12,812,313.98x = 17,680,991.64 × 7,011,096.42
  4. Step 4: Simplify right side
    12,812,313.98x = 123,963,137,189,253.94
  5. Step 5: Solve for x
    x = 123,963,137,189,253.94/12,812,313.98
  6. Step 6: Final answer
    x = 9,675,312.16

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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.