Home / 12,812,496.21-17,681,246.16-7,011,279.18

Finding the Fourth Proportional to 12,812,496.21, 17,681,246.16 and 7,011,279.18

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Solution

The fourth proportional to 12,812,496.21, 17,681,246.16 and 7,011,279.18 is: 9,675,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,496.21 : 17,681,246.16 = 7,011,279.18 : x
  2. Step 2: Convert to fraction form
    12,812,496.21/17,681,246.16 = 7,011,279.18/x
  3. Step 3: Cross multiply
    12,812,496.21x = 17,681,246.16 × 7,011,279.18
  4. Step 4: Simplify right side
    12,812,496.21x = 123,968,153,078,062.94
  5. Step 5: Solve for x
    x = 123,968,153,078,062.94/12,812,496.21
  6. Step 6: Final answer
    x = 9,675,566.03

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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.