Home / 21,484,263.34-29,648,661.42-11,694,988.90

Finding the Fourth Proportional to 21,484,263.34, 29,648,661.42 and 11,694,988.90

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Solution

The fourth proportional to 21,484,263.34, 29,648,661.42 and 11,694,988.90 is: 16,139,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484,263.34 : 29,648,661.42 = 11,694,988.90 : x
  2. Step 2: Convert to fraction form
    21,484,263.34/29,648,661.42 = 11,694,988.90/x
  3. Step 3: Cross multiply
    21,484,263.34x = 29,648,661.42 × 11,694,988.90
  4. Step 4: Simplify right side
    21,484,263.34x = 346,740,766,206,758.25
  5. Step 5: Solve for x
    x = 346,740,766,206,758.25/21,484,263.34
  6. Step 6: Final answer
    x = 16,139,290.45

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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.