Home / 8,759,809.80-13,139,714.70-7,732,357.20

Finding the Fourth Proportional to 8,759,809.80, 13,139,714.70 and 7,732,357.20

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Solution

The fourth proportional to 8,759,809.80, 13,139,714.70 and 7,732,357.20 is: 11,598,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,809.80 : 13,139,714.70 = 7,732,357.20 : x
  2. Step 2: Convert to fraction form
    8,759,809.80/13,139,714.70 = 7,732,357.20/x
  3. Step 3: Cross multiply
    8,759,809.80x = 13,139,714.70 × 7,732,357.20
  4. Step 4: Simplify right side
    8,759,809.80x = 101,600,967,566,490.84
  5. Step 5: Solve for x
    x = 101,600,967,566,490.84/8,759,809.80
  6. Step 6: Final answer
    x = 11,598,535.80

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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.