Home / 14,042,431.80-21,063,647.70-8,633,543.40

Finding the Fourth Proportional to 14,042,431.80, 21,063,647.70 and 8,633,543.40

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Solution

The fourth proportional to 14,042,431.80, 21,063,647.70 and 8,633,543.40 is: 12,950,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,431.80 : 21,063,647.70 = 8,633,543.40 : x
  2. Step 2: Convert to fraction form
    14,042,431.80/21,063,647.70 = 8,633,543.40/x
  3. Step 3: Cross multiply
    14,042,431.80x = 21,063,647.70 × 8,633,543.40
  4. Step 4: Simplify right side
    14,042,431.80x = 181,853,916,580,260.19
  5. Step 5: Solve for x
    x = 181,853,916,580,260.19/14,042,431.80
  6. Step 6: Final answer
    x = 12,950,315.10

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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.