Home / 14,042,003.40-21,063,005.10-11,774,521.80

Finding the Fourth Proportional to 14,042,003.40, 21,063,005.10 and 11,774,521.80

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Solution

The fourth proportional to 14,042,003.40, 21,063,005.10 and 11,774,521.80 is: 17,661,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,003.40 : 21,063,005.10 = 11,774,521.80 : x
  2. Step 2: Convert to fraction form
    14,042,003.40/21,063,005.10 = 11,774,521.80/x
  3. Step 3: Cross multiply
    14,042,003.40x = 21,063,005.10 × 11,774,521.80
  4. Step 4: Simplify right side
    14,042,003.40x = 248,006,812,723,461.22
  5. Step 5: Solve for x
    x = 248,006,812,723,461.22/14,042,003.40
  6. Step 6: Final answer
    x = 17,661,782.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.