Home / 15,724,253.35-21,699,624.24-8,755,027.93

Finding the Fourth Proportional to 15,724,253.35, 21,699,624.24 and 8,755,027.93

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Solution

The fourth proportional to 15,724,253.35, 21,699,624.24 and 8,755,027.93 is: 12,082,024.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724,253.35 : 21,699,624.24 = 8,755,027.93 : x
  2. Step 2: Convert to fraction form
    15,724,253.35/21,699,624.24 = 8,755,027.93/x
  3. Step 3: Cross multiply
    15,724,253.35x = 21,699,624.24 × 8,755,027.93
  4. Step 4: Simplify right side
    15,724,253.35x = 189,980,816,291,705
  5. Step 5: Solve for x
    x = 189,980,816,291,705/15,724,253.35
  6. Step 6: Final answer
    x = 12,082,024.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.