Home / 13,267,967.19-18,310,548.36-7,971,282.14

Finding the Fourth Proportional to 13,267,967.19, 18,310,548.36 and 7,971,282.14

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Solution

The fourth proportional to 13,267,967.19, 18,310,548.36 and 7,971,282.14 is: 11,000,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267,967.19 : 18,310,548.36 = 7,971,282.14 : x
  2. Step 2: Convert to fraction form
    13,267,967.19/18,310,548.36 = 7,971,282.14/x
  3. Step 3: Cross multiply
    13,267,967.19x = 18,310,548.36 × 7,971,282.14
  4. Step 4: Simplify right side
    13,267,967.19x = 145,958,547,024,121.53
  5. Step 5: Solve for x
    x = 145,958,547,024,121.53/13,267,967.19
  6. Step 6: Final answer
    x = 11,000,822.13

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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.