Home / 15,586,614.45-21,508,892.46-8,616,848.40

Finding the Fourth Proportional to 15,586,614.45, 21,508,892.46 and 8,616,848.40

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Solution

The fourth proportional to 15,586,614.45, 21,508,892.46 and 8,616,848.40 is: 11,890,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,614.45 : 21,508,892.46 = 8,616,848.40 : x
  2. Step 2: Convert to fraction form
    15,586,614.45/21,508,892.46 = 8,616,848.40/x
  3. Step 3: Cross multiply
    15,586,614.45x = 21,508,892.46 × 8,616,848.40
  4. Step 4: Simplify right side
    15,586,614.45x = 185,338,865,579,723.09
  5. Step 5: Solve for x
    x = 185,338,865,579,723.09/15,586,614.45
  6. Step 6: Final answer
    x = 11,890,899.47

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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.