Home / 21,483,717.76-29,648,312.64-11,693,687.68

Finding the Fourth Proportional to 21,483,717.76, 29,648,312.64 and 11,693,687.68

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Solution

The fourth proportional to 21,483,717.76, 29,648,312.64 and 11,693,687.68 is: 16,137,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483,717.76 : 29,648,312.64 = 11,693,687.68 : x
  2. Step 2: Convert to fraction form
    21,483,717.76/29,648,312.64 = 11,693,687.68/x
  3. Step 3: Cross multiply
    21,483,717.76x = 29,648,312.64 × 11,693,687.68
  4. Step 4: Simplify right side
    21,483,717.76x = 346,698,108,251,156.25
  5. Step 5: Solve for x
    x = 346,698,108,251,156.25/21,483,717.76
  6. Step 6: Final answer
    x = 16,137,714.72

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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.