Home / 21,458,442.14-29,613,428.89-12,292,856.36

Finding the Fourth Proportional to 21,458,442.14, 29,613,428.89 and 12,292,856.36

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Solution

The fourth proportional to 21,458,442.14, 29,613,428.89 and 12,292,856.36 is: 16,964,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,442.14 : 29,613,428.89 = 12,292,856.36 : x
  2. Step 2: Convert to fraction form
    21,458,442.14/29,613,428.89 = 12,292,856.36/x
  3. Step 3: Cross multiply
    21,458,442.14x = 29,613,428.89 × 12,292,856.36
  4. Step 4: Simplify right side
    21,458,442.14x = 364,033,627,604,095.31
  5. Step 5: Solve for x
    x = 364,033,627,604,095.31/21,458,442.14
  6. Step 6: Final answer
    x = 16,964,587.89

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1.5x scale

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.