Home / 8,124,444.49-11,205,196-7,142,283.58

Finding the Fourth Proportional to 8,124,444.49, 11,205,196 and 7,142,283.58

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Solution

The fourth proportional to 8,124,444.49, 11,205,196 and 7,142,283.58 is: 9,850,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124,444.49 : 11,205,196 = 7,142,283.58 : x
  2. Step 2: Convert to fraction form
    8,124,444.49/11,205,196 = 7,142,283.58/x
  3. Step 3: Cross multiply
    8,124,444.49x = 11,205,196 × 7,142,283.58
  4. Step 4: Simplify right side
    8,124,444.49x = 80,030,687,401,481.69
  5. Step 5: Solve for x
    x = 80,030,687,401,481.69/8,124,444.49
  6. Step 6: Final answer
    x = 9,850,604.25

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Double scale
Find fourth proportional to 8,124,445.49, 11,205,197.38 and 7,142,284.58
Similar ratio
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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.