Home / 21,483,719.76-29,648,315.40-11,693,689.68

Finding the Fourth Proportional to 21,483,719.76, 29,648,315.40 and 11,693,689.68

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Solution

The fourth proportional to 21,483,719.76, 29,648,315.40 and 11,693,689.68 is: 16,137,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483,719.76 : 29,648,315.40 = 11,693,689.68 : x
  2. Step 2: Convert to fraction form
    21,483,719.76/29,648,315.40 = 11,693,689.68/x
  3. Step 3: Cross multiply
    21,483,719.76x = 29,648,315.40 × 11,693,689.68
  4. Step 4: Simplify right side
    21,483,719.76x = 346,698,199,822,365.06
  5. Step 5: Solve for x
    x = 346,698,199,822,365.06/21,483,719.76
  6. Step 6: Final answer
    x = 16,137,717.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.