Home / 12,258,747.51-16,917,070.75-7,105,098.41

Finding the Fourth Proportional to 12,258,747.51, 16,917,070.75 and 7,105,098.41

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Solution

The fourth proportional to 12,258,747.51, 16,917,070.75 and 7,105,098.41 is: 9,805,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,747.51 : 16,917,070.75 = 7,105,098.41 : x
  2. Step 2: Convert to fraction form
    12,258,747.51/16,917,070.75 = 7,105,098.41/x
  3. Step 3: Cross multiply
    12,258,747.51x = 16,917,070.75 × 7,105,098.41
  4. Step 4: Simplify right side
    12,258,747.51x = 120,197,452,487,682.52
  5. Step 5: Solve for x
    x = 120,197,452,487,682.52/12,258,747.51
  6. Step 6: Final answer
    x = 9,805,035.33

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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.