Home / 18,895,363.80-28,343,045.70-8,110,829.40

Finding the Fourth Proportional to 18,895,363.80, 28,343,045.70 and 8,110,829.40

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Solution

The fourth proportional to 18,895,363.80, 28,343,045.70 and 8,110,829.40 is: 12,166,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895,363.80 : 28,343,045.70 = 8,110,829.40 : x
  2. Step 2: Convert to fraction form
    18,895,363.80/28,343,045.70 = 8,110,829.40/x
  3. Step 3: Cross multiply
    18,895,363.80x = 28,343,045.70 × 8,110,829.40
  4. Step 4: Simplify right side
    18,895,363.80x = 229,885,608,349,103.59
  5. Step 5: Solve for x
    x = 229,885,608,349,103.59/18,895,363.80
  6. Step 6: Final answer
    x = 12,166,244.10

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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.