Home / 12,000,852.90-16,559,395.45-7,288,796.33

Finding the Fourth Proportional to 12,000,852.90, 16,559,395.45 and 7,288,796.33

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Solution

The fourth proportional to 12,000,852.90, 16,559,395.45 and 7,288,796.33 is: 10,057,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000,852.90 : 16,559,395.45 = 7,288,796.33 : x
  2. Step 2: Convert to fraction form
    12,000,852.90/16,559,395.45 = 7,288,796.33/x
  3. Step 3: Cross multiply
    12,000,852.90x = 16,559,395.45 × 7,288,796.33
  4. Step 4: Simplify right side
    12,000,852.90x = 120,698,060,782,978.69
  5. Step 5: Solve for x
    x = 120,698,060,782,978.69/12,000,852.90
  6. Step 6: Final answer
    x = 10,057,456.90

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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.