Home / 12,778,495.34-17,634,235.21-6,977,273.72

Finding the Fourth Proportional to 12,778,495.34, 17,634,235.21 and 6,977,273.72

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Solution

The fourth proportional to 12,778,495.34, 17,634,235.21 and 6,977,273.72 is: 9,628,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,495.34 : 17,634,235.21 = 6,977,273.72 : x
  2. Step 2: Convert to fraction form
    12,778,495.34/17,634,235.21 = 6,977,273.72/x
  3. Step 3: Cross multiply
    12,778,495.34x = 17,634,235.21 × 6,977,273.72
  4. Step 4: Simplify right side
    12,778,495.34x = 123,038,885,797,417.31
  5. Step 5: Solve for x
    x = 123,038,885,797,417.31/12,778,495.34
  6. Step 6: Final answer
    x = 9,628,589.48

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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.