Home / 12,642,959.78-17,447,284.14-6,841,741.46

Finding the Fourth Proportional to 12,642,959.78, 17,447,284.14 and 6,841,741.46

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Solution

The fourth proportional to 12,642,959.78, 17,447,284.14 and 6,841,741.46 is: 9,441,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,959.78 : 17,447,284.14 = 6,841,741.46 : x
  2. Step 2: Convert to fraction form
    12,642,959.78/17,447,284.14 = 6,841,741.46/x
  3. Step 3: Cross multiply
    12,642,959.78x = 17,447,284.14 × 6,841,741.46
  4. Step 4: Simplify right side
    12,642,959.78x = 119,369,807,265,038.45
  5. Step 5: Solve for x
    x = 119,369,807,265,038.45/12,642,959.78
  6. Step 6: Final answer
    x = 9,441,603.02

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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.