Home / 15,360,165.60-21,196,963.93-8,484,647.66

Finding the Fourth Proportional to 15,360,165.60, 21,196,963.93 and 8,484,647.66

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Solution

The fourth proportional to 15,360,165.60, 21,196,963.93 and 8,484,647.66 is: 11,708,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360,165.60 : 21,196,963.93 = 8,484,647.66 : x
  2. Step 2: Convert to fraction form
    15,360,165.60/21,196,963.93 = 8,484,647.66/x
  3. Step 3: Cross multiply
    15,360,165.60x = 21,196,963.93 × 8,484,647.66
  4. Step 4: Simplify right side
    15,360,165.60x = 179,848,770,460,771.31
  5. Step 5: Solve for x
    x = 179,848,770,460,771.31/15,360,165.60
  6. Step 6: Final answer
    x = 11,708,778.09

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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.