Home / 7,885,637.20-11,828,455.80-1,902,005.20

Finding the Fourth Proportional to 7,885,637.20, 11,828,455.80 and 1,902,005.20

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Solution

The fourth proportional to 7,885,637.20, 11,828,455.80 and 1,902,005.20 is: 2,853,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885,637.20 : 11,828,455.80 = 1,902,005.20 : x
  2. Step 2: Convert to fraction form
    7,885,637.20/11,828,455.80 = 1,902,005.20/x
  3. Step 3: Cross multiply
    7,885,637.20x = 11,828,455.80 × 1,902,005.20
  4. Step 4: Simplify right side
    7,885,637.20x = 22,497,784,439,570.16
  5. Step 5: Solve for x
    x = 22,497,784,439,570.16/7,885,637.20
  6. Step 6: Final answer
    x = 2,853,007.80

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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.