Home / 21,298,086.46-29,393,694.80-12,359,165.81

Finding the Fourth Proportional to 21,298,086.46, 29,393,694.80 and 12,359,165.81

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Solution

The fourth proportional to 21,298,086.46, 29,393,694.80 and 12,359,165.81 is: 17,057,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,298,086.46 : 29,393,694.80 = 12,359,165.81 : x
  2. Step 2: Convert to fraction form
    21,298,086.46/29,393,694.80 = 12,359,165.81/x
  3. Step 3: Cross multiply
    21,298,086.46x = 29,393,694.80 × 12,359,165.81
  4. Step 4: Simplify right side
    21,298,086.46x = 363,281,547,645,890.94
  5. Step 5: Solve for x
    x = 363,281,547,645,890.94/21,298,086.46
  6. Step 6: Final answer
    x = 17,057,004.08

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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.