Home / 18,927,631.98-28,391,447.96-4,550,700.28

Finding the Fourth Proportional to 18,927,631.98, 28,391,447.96 and 4,550,700.28

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Solution

The fourth proportional to 18,927,631.98, 28,391,447.96 and 4,550,700.28 is: 6,826,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,631.98 : 28,391,447.96 = 4,550,700.28 : x
  2. Step 2: Convert to fraction form
    18,927,631.98/28,391,447.96 = 4,550,700.28/x
  3. Step 3: Cross multiply
    18,927,631.98x = 28,391,447.96 × 4,550,700.28
  4. Step 4: Simplify right side
    18,927,631.98x = 129,200,970,158,423.92
  5. Step 5: Solve for x
    x = 129,200,970,158,423.92/18,927,631.98
  6. Step 6: Final answer
    x = 6,826,050.42

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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.