Home / 12,258,702.22-16,917,008.27-7,105,053.13

Finding the Fourth Proportional to 12,258,702.22, 16,917,008.27 and 7,105,053.13

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Solution

The fourth proportional to 12,258,702.22, 16,917,008.27 and 7,105,053.13 is: 9,804,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,702.22 : 16,917,008.27 = 7,105,053.13 : x
  2. Step 2: Convert to fraction form
    12,258,702.22/16,917,008.27 = 7,105,053.13/x
  3. Step 3: Cross multiply
    12,258,702.22x = 16,917,008.27 × 7,105,053.13
  4. Step 4: Simplify right side
    12,258,702.22x = 120,196,242,558,999.38
  5. Step 5: Solve for x
    x = 120,196,242,558,999.38/12,258,702.22
  6. Step 6: Final answer
    x = 9,804,972.86

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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.