Home / 21,117,607.04-29,142,297.96-11,459,815.04

Finding the Fourth Proportional to 21,117,607.04, 29,142,297.96 and 11,459,815.04

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Solution

The fourth proportional to 21,117,607.04, 29,142,297.96 and 11,459,815.04 is: 15,814,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,117,607.04 : 29,142,297.96 = 11,459,815.04 : x
  2. Step 2: Convert to fraction form
    21,117,607.04/29,142,297.96 = 11,459,815.04/x
  3. Step 3: Cross multiply
    21,117,607.04x = 29,142,297.96 × 11,459,815.04
  4. Step 4: Simplify right side
    21,117,607.04x = 333,965,344,492,050.75
  5. Step 5: Solve for x
    x = 333,965,344,492,050.75/21,117,607.04
  6. Step 6: Final answer
    x = 15,814,544.89

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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.