Home / 18,699,110.10-28,048,665.15-16,683,570.90

Finding the Fourth Proportional to 18,699,110.10, 28,048,665.15 and 16,683,570.90

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Solution

The fourth proportional to 18,699,110.10, 28,048,665.15 and 16,683,570.90 is: 25,025,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699,110.10 : 28,048,665.15 = 16,683,570.90 : x
  2. Step 2: Convert to fraction form
    18,699,110.10/28,048,665.15 = 16,683,570.90/x
  3. Step 3: Cross multiply
    18,699,110.10x = 28,048,665.15 × 16,683,570.90
  4. Step 4: Simplify right side
    18,699,110.10x = 467,951,893,680,384.12
  5. Step 5: Solve for x
    x = 467,951,893,680,384.12/18,699,110.10
  6. Step 6: Final answer
    x = 25,025,356.35

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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.