Home / 21,458,398.59-29,613,368.77-12,292,812.81

Finding the Fourth Proportional to 21,458,398.59, 29,613,368.77 and 12,292,812.81

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Solution

The fourth proportional to 21,458,398.59, 29,613,368.77 and 12,292,812.81 is: 16,964,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,398.59 : 29,613,368.77 = 12,292,812.81 : x
  2. Step 2: Convert to fraction form
    21,458,398.59/29,613,368.77 = 12,292,812.81/x
  3. Step 3: Cross multiply
    21,458,398.59x = 29,613,368.77 × 12,292,812.81
  4. Step 4: Simplify right side
    21,458,398.59x = 364,031,598,932,377.88
  5. Step 5: Solve for x
    x = 364,031,598,932,377.88/21,458,398.59
  6. Step 6: Final answer
    x = 16,964,527.78

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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.