Home / 12,779,114.94-17,634,490.80-6,977,810.70

Finding the Fourth Proportional to 12,779,114.94, 17,634,490.80 and 6,977,810.70

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Solution

The fourth proportional to 12,779,114.94, 17,634,490.80 and 6,977,810.70 is: 9,629,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,114.94 : 17,634,490.80 = 6,977,810.70 : x
  2. Step 2: Convert to fraction form
    12,779,114.94/17,634,490.80 = 6,977,810.70/x
  3. Step 3: Cross multiply
    12,779,114.94x = 17,634,490.80 × 6,977,810.70
  4. Step 4: Simplify right side
    12,779,114.94x = 123,050,138,593,291.56
  5. Step 5: Solve for x
    x = 123,050,138,593,291.56/12,779,114.94
  6. Step 6: Final answer
    x = 9,629,003.20

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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.