Home / 7,721,108.08-10,655,141.72-4,283,349.16

Finding the Fourth Proportional to 7,721,108.08, 10,655,141.72 and 4,283,349.16

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Solution

The fourth proportional to 7,721,108.08, 10,655,141.72 and 4,283,349.16 is: 5,911,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,108.08 : 10,655,141.72 = 4,283,349.16 : x
  2. Step 2: Convert to fraction form
    7,721,108.08/10,655,141.72 = 4,283,349.16/x
  3. Step 3: Cross multiply
    7,721,108.08x = 10,655,141.72 × 4,283,349.16
  4. Step 4: Simplify right side
    7,721,108.08x = 45,639,692,336,042.96
  5. Step 5: Solve for x
    x = 45,639,692,336,042.96/7,721,108.08
  6. Step 6: Final answer
    x = 5,911,028.81

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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.