Home / 15,360,165.35-21,196,963.59-8,484,647.41

Finding the Fourth Proportional to 15,360,165.35, 21,196,963.59 and 8,484,647.41

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Solution

The fourth proportional to 15,360,165.35, 21,196,963.59 and 8,484,647.41 is: 11,708,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360,165.35 : 21,196,963.59 = 8,484,647.41 : x
  2. Step 2: Convert to fraction form
    15,360,165.35/21,196,963.59 = 8,484,647.41/x
  3. Step 3: Cross multiply
    15,360,165.35x = 21,196,963.59 × 8,484,647.41
  4. Step 4: Simplify right side
    15,360,165.35x = 179,848,762,218,436.59
  5. Step 5: Solve for x
    x = 179,848,762,218,436.59/15,360,165.35
  6. Step 6: Final answer
    x = 11,708,777.75

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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.