Home / 21,885,112.98-30,205,206.18-12,723,070.14

Finding the Fourth Proportional to 21,885,112.98, 30,205,206.18 and 12,723,070.14

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Solution

The fourth proportional to 21,885,112.98, 30,205,206.18 and 12,723,070.14 is: 17,560,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,112.98 : 30,205,206.18 = 12,723,070.14 : x
  2. Step 2: Convert to fraction form
    21,885,112.98/30,205,206.18 = 12,723,070.14/x
  3. Step 3: Cross multiply
    21,885,112.98x = 30,205,206.18 × 12,723,070.14
  4. Step 4: Simplify right side
    21,885,112.98x = 384,302,956,821,301.50
  5. Step 5: Solve for x
    x = 384,302,956,821,301.50/21,885,112.98
  6. Step 6: Final answer
    x = 17,560,017.04

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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.