Home / 15,496,838.47-21,415,132.05-11,622,633.58

Finding the Fourth Proportional to 15,496,838.47, 21,415,132.05 and 11,622,633.58

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Solution

The fourth proportional to 15,496,838.47, 21,415,132.05 and 11,622,633.58 is: 16,061,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,496,838.47 : 21,415,132.05 = 11,622,633.58 : x
  2. Step 2: Convert to fraction form
    15,496,838.47/21,415,132.05 = 11,622,633.58/x
  3. Step 3: Cross multiply
    15,496,838.47x = 21,415,132.05 × 11,622,633.58
  4. Step 4: Simplify right side
    15,496,838.47x = 248,900,232,884,464.25
  5. Step 5: Solve for x
    x = 248,900,232,884,464.25/15,496,838.47
  6. Step 6: Final answer
    x = 16,061,355.57

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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.