Home / 15,005,843.84-20,708,036-8,130,512

Finding the Fourth Proportional to 15,005,843.84, 20,708,036 and 8,130,512

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Solution

The fourth proportional to 15,005,843.84, 20,708,036 and 8,130,512 is: 11,220,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005,843.84 : 20,708,036 = 8,130,512 : x
  2. Step 2: Convert to fraction form
    15,005,843.84/20,708,036 = 8,130,512/x
  3. Step 3: Cross multiply
    15,005,843.84x = 20,708,036 × 8,130,512
  4. Step 4: Simplify right side
    15,005,843.84x = 168,366,935,194,432
  5. Step 5: Solve for x
    x = 168,366,935,194,432/15,005,843.84
  6. Step 6: Final answer
    x = 11,220,091.12

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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.