Home / 12,783,624.80-19,159,107.60-5,202,024.80

Finding the Fourth Proportional to 12,783,624.80, 19,159,107.60 and 5,202,024.80

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Solution

The fourth proportional to 12,783,624.80, 19,159,107.60 and 5,202,024.80 is: 7,796,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,624.80 : 19,159,107.60 = 5,202,024.80 : x
  2. Step 2: Convert to fraction form
    12,783,624.80/19,159,107.60 = 5,202,024.80/x
  3. Step 3: Cross multiply
    12,783,624.80x = 19,159,107.60 × 5,202,024.80
  4. Step 4: Simplify right side
    12,783,624.80x = 99,666,152,881,068.48
  5. Step 5: Solve for x
    x = 99,666,152,881,068.48/12,783,624.80
  6. Step 6: Final answer
    x = 7,796,392.22

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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.