Home / 12,761,479.08-17,614,483.02-7,257,820.68

Finding the Fourth Proportional to 12,761,479.08, 17,614,483.02 and 7,257,820.68

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Solution

The fourth proportional to 12,761,479.08, 17,614,483.02 and 7,257,820.68 is: 10,017,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,479.08 : 17,614,483.02 = 7,257,820.68 : x
  2. Step 2: Convert to fraction form
    12,761,479.08/17,614,483.02 = 7,257,820.68/x
  3. Step 3: Cross multiply
    12,761,479.08x = 17,614,483.02 × 7,257,820.68
  4. Step 4: Simplify right side
    12,761,479.08x = 127,842,759,130,064.84
  5. Step 5: Solve for x
    x = 127,842,759,130,064.84/12,761,479.08
  6. Step 6: Final answer
    x = 10,017,863.79

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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.