Home / 21,458,875.59-29,614,025.45-12,293,289.81

Finding the Fourth Proportional to 21,458,875.59, 29,614,025.45 and 12,293,289.81

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Solution

The fourth proportional to 21,458,875.59, 29,614,025.45 and 12,293,289.81 is: 16,965,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,875.59 : 29,614,025.45 = 12,293,289.81 : x
  2. Step 2: Convert to fraction form
    21,458,875.59/29,614,025.45 = 12,293,289.81/x
  3. Step 3: Cross multiply
    21,458,875.59x = 29,614,025.45 × 12,293,289.81
  4. Step 4: Simplify right side
    21,458,875.59x = 364,053,797,328,298.94
  5. Step 5: Solve for x
    x = 364,053,797,328,298.94/21,458,875.59
  6. Step 6: Final answer
    x = 16,965,185.14

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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.