Home / 21,484,346.72-29,648,776.48-11,695,072.28

Finding the Fourth Proportional to 21,484,346.72, 29,648,776.48 and 11,695,072.28

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Solution

The fourth proportional to 21,484,346.72, 29,648,776.48 and 11,695,072.28 is: 16,139,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484,346.72 : 29,648,776.48 = 11,695,072.28 : x
  2. Step 2: Convert to fraction form
    21,484,346.72/29,648,776.48 = 11,695,072.28/x
  3. Step 3: Cross multiply
    21,484,346.72x = 29,648,776.48 × 11,695,072.28
  4. Step 4: Simplify right side
    21,484,346.72x = 346,744,583,769,682.44
  5. Step 5: Solve for x
    x = 346,744,583,769,682.44/21,484,346.72
  6. Step 6: Final answer
    x = 16,139,405.51

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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.