Home / 12,141,656.19-16,755,423.65-7,181,879.27

Finding the Fourth Proportional to 12,141,656.19, 16,755,423.65 and 7,181,879.27

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Solution

The fourth proportional to 12,141,656.19, 16,755,423.65 and 7,181,879.27 is: 9,910,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,656.19 : 16,755,423.65 = 7,181,879.27 : x
  2. Step 2: Convert to fraction form
    12,141,656.19/16,755,423.65 = 7,181,879.27/x
  3. Step 3: Cross multiply
    12,141,656.19x = 16,755,423.65 × 7,181,879.27
  4. Step 4: Simplify right side
    12,141,656.19x = 120,335,429,652,316.22
  5. Step 5: Solve for x
    x = 120,335,429,652,316.22/12,141,656.19
  6. Step 6: Final answer
    x = 9,910,956.77

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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.