Home / 9,899,103.15-13,662,677.43-6,455,365.47

Finding the Fourth Proportional to 9,899,103.15, 13,662,677.43 and 6,455,365.47

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Solution

The fourth proportional to 9,899,103.15, 13,662,677.43 and 6,455,365.47 is: 8,909,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899,103.15 : 13,662,677.43 = 6,455,365.47 : x
  2. Step 2: Convert to fraction form
    9,899,103.15/13,662,677.43 = 6,455,365.47/x
  3. Step 3: Cross multiply
    9,899,103.15x = 13,662,677.43 × 6,455,365.47
  4. Step 4: Simplify right side
    9,899,103.15x = 88,197,576,109,370.34
  5. Step 5: Solve for x
    x = 88,197,576,109,370.34/9,899,103.15
  6. Step 6: Final answer
    x = 8,909,653.21

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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.