Home / 10,762,781.83-14,866,816.58-7,977,551.36

Finding the Fourth Proportional to 10,762,781.83, 14,866,816.58 and 7,977,551.36

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Solution

The fourth proportional to 10,762,781.83, 14,866,816.58 and 7,977,551.36 is: 11,019,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762,781.83 : 14,866,816.58 = 7,977,551.36 : x
  2. Step 2: Convert to fraction form
    10,762,781.83/14,866,816.58 = 7,977,551.36/x
  3. Step 3: Cross multiply
    10,762,781.83x = 14,866,816.58 × 7,977,551.36
  4. Step 4: Simplify right side
    10,762,781.83x = 118,600,792,786,761.80
  5. Step 5: Solve for x
    x = 118,600,792,786,761.80/10,762,781.83
  6. Step 6: Final answer
    x = 11,019,529.59

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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.