Home / 21,458,615.91-29,613,668.95-12,293,030.13

Finding the Fourth Proportional to 21,458,615.91, 29,613,668.95 and 12,293,030.13

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Solution

The fourth proportional to 21,458,615.91, 29,613,668.95 and 12,293,030.13 is: 16,964,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,615.91 : 29,613,668.95 = 12,293,030.13 : x
  2. Step 2: Convert to fraction form
    21,458,615.91/29,613,668.95 = 12,293,030.13/x
  3. Step 3: Cross multiply
    21,458,615.91x = 29,613,668.95 × 12,293,030.13
  4. Step 4: Simplify right side
    21,458,615.91x = 364,041,724,662,195.50
  5. Step 5: Solve for x
    x = 364,041,724,662,195.50/21,458,615.91
  6. Step 6: Final answer
    x = 16,964,827.84

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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.