Home / 22,633,407.72-31,234,807.08-12,320,818.20

Finding the Fourth Proportional to 22,633,407.72, 31,234,807.08 and 12,320,818.20

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Solution

The fourth proportional to 22,633,407.72, 31,234,807.08 and 12,320,818.20 is: 17,003,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,633,407.72 : 31,234,807.08 = 12,320,818.20 : x
  2. Step 2: Convert to fraction form
    22,633,407.72/31,234,807.08 = 12,320,818.20/x
  3. Step 3: Cross multiply
    22,633,407.72x = 31,234,807.08 × 12,320,818.20
  4. Step 4: Simplify right side
    22,633,407.72x = 384,838,379,544,752.81
  5. Step 5: Solve for x
    x = 384,838,379,544,752.81/22,633,407.72
  6. Step 6: Final answer
    x = 17,003,112.58

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Double scale
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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.