Home / 7,714,215.89-11,571,205.95-1,878,456.20

Finding the Fourth Proportional to 7,714,215.89, 11,571,205.95 and 1,878,456.20

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Solution

The fourth proportional to 7,714,215.89, 11,571,205.95 and 1,878,456.20 is: 2,817,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714,215.89 : 11,571,205.95 = 1,878,456.20 : x
  2. Step 2: Convert to fraction form
    7,714,215.89/11,571,205.95 = 1,878,456.20/x
  3. Step 3: Cross multiply
    7,714,215.89x = 11,571,205.95 × 1,878,456.20
  4. Step 4: Simplify right side
    7,714,215.89x = 21,736,003,558,254.39
  5. Step 5: Solve for x
    x = 21,736,003,558,254.39/7,714,215.89
  6. Step 6: Final answer
    x = 2,817,655.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.