Home / 21,621,484.71-29,837,650.86-11,831,928.39

Finding the Fourth Proportional to 21,621,484.71, 29,837,650.86 and 11,831,928.39

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Solution

The fourth proportional to 21,621,484.71, 29,837,650.86 and 11,831,928.39 is: 16,328,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621,484.71 : 29,837,650.86 = 11,831,928.39 : x
  2. Step 2: Convert to fraction form
    21,621,484.71/29,837,650.86 = 11,831,928.39/x
  3. Step 3: Cross multiply
    21,621,484.71x = 29,837,650.86 × 11,831,928.39
  4. Step 4: Simplify right side
    21,621,484.71x = 353,036,948,301,341.94
  5. Step 5: Solve for x
    x = 353,036,948,301,341.94/21,621,484.71
  6. Step 6: Final answer
    x = 16,328,062.25

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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.