Home / 12,779,115.94-17,634,492.18-6,977,811.70

Finding the Fourth Proportional to 12,779,115.94, 17,634,492.18 and 6,977,811.70

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Solution

The fourth proportional to 12,779,115.94, 17,634,492.18 and 6,977,811.70 is: 9,629,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,115.94 : 17,634,492.18 = 6,977,811.70 : x
  2. Step 2: Convert to fraction form
    12,779,115.94/17,634,492.18 = 6,977,811.70/x
  3. Step 3: Cross multiply
    12,779,115.94x = 17,634,492.18 × 6,977,811.70
  4. Step 4: Simplify right side
    12,779,115.94x = 123,050,165,857,162.50
  5. Step 5: Solve for x
    x = 123,050,165,857,162.50/12,779,115.94
  6. Step 6: Final answer
    x = 9,629,004.58

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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.