Home / 12,642,658.17-17,446,914.18-6,841,439.28

Finding the Fourth Proportional to 12,642,658.17, 17,446,914.18 and 6,841,439.28

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Solution

The fourth proportional to 12,642,658.17, 17,446,914.18 and 6,841,439.28 is: 9,441,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,658.17 : 17,446,914.18 = 6,841,439.28 : x
  2. Step 2: Convert to fraction form
    12,642,658.17/17,446,914.18 = 6,841,439.28/x
  3. Step 3: Cross multiply
    12,642,658.17x = 17,446,914.18 × 6,841,439.28
  4. Step 4: Simplify right side
    12,642,658.17x = 119,362,003,985,841
  5. Step 5: Solve for x
    x = 119,362,003,985,841/12,642,658.17
  6. Step 6: Final answer
    x = 9,441,211.05

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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.