Home / 12,779,106.22-17,635,252.02-6,977,928.34

Finding the Fourth Proportional to 12,779,106.22, 17,635,252.02 and 6,977,928.34

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Solution

The fourth proportional to 12,779,106.22, 17,635,252.02 and 6,977,928.34 is: 9,629,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,106.22 : 17,635,252.02 = 6,977,928.34 : x
  2. Step 2: Convert to fraction form
    12,779,106.22/17,635,252.02 = 6,977,928.34/x
  3. Step 3: Cross multiply
    12,779,106.22x = 17,635,252.02 × 6,977,928.34
  4. Step 4: Simplify right side
    12,779,106.22x = 123,057,524,853,400.23
  5. Step 5: Solve for x
    x = 123,057,524,853,400.23/12,779,106.22
  6. Step 6: Final answer
    x = 9,629,587.76

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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.