Home / 15,710,917.11-21,680,725.60-9,095,784.50

Finding the Fourth Proportional to 15,710,917.11, 21,680,725.60 and 9,095,784.50

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Solution

The fourth proportional to 15,710,917.11, 21,680,725.60 and 9,095,784.50 is: 12,551,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710,917.11 : 21,680,725.60 = 9,095,784.50 : x
  2. Step 2: Convert to fraction form
    15,710,917.11/21,680,725.60 = 9,095,784.50/x
  3. Step 3: Cross multiply
    15,710,917.11x = 21,680,725.60 × 9,095,784.50
  4. Step 4: Simplify right side
    15,710,917.11x = 197,203,207,861,233.22
  5. Step 5: Solve for x
    x = 197,203,207,861,233.22/15,710,917.11
  6. Step 6: Final answer
    x = 12,551,985.76

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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.