Home / 15,724,252.35-21,699,622.86-8,755,026.93

Finding the Fourth Proportional to 15,724,252.35, 21,699,622.86 and 8,755,026.93

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Solution

The fourth proportional to 15,724,252.35, 21,699,622.86 and 8,755,026.93 is: 12,082,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724,252.35 : 21,699,622.86 = 8,755,026.93 : x
  2. Step 2: Convert to fraction form
    15,724,252.35/21,699,622.86 = 8,755,026.93/x
  3. Step 3: Cross multiply
    15,724,252.35x = 21,699,622.86 × 8,755,026.93
  4. Step 4: Simplify right side
    15,724,252.35x = 189,980,782,510,143.59
  5. Step 5: Solve for x
    x = 189,980,782,510,143.59/15,724,252.35
  6. Step 6: Final answer
    x = 12,082,023.25

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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.