Home / 16,770,779.48-23,143,139.61-9,428,923.28

Finding the Fourth Proportional to 16,770,779.48, 23,143,139.61 and 9,428,923.28

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Solution

The fourth proportional to 16,770,779.48, 23,143,139.61 and 9,428,923.28 is: 13,011,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770,779.48 : 23,143,139.61 = 9,428,923.28 : x
  2. Step 2: Convert to fraction form
    16,770,779.48/23,143,139.61 = 9,428,923.28/x
  3. Step 3: Cross multiply
    16,770,779.48x = 23,143,139.61 × 9,428,923.28
  4. Step 4: Simplify right side
    16,770,779.48x = 218,214,887,725,303.44
  5. Step 5: Solve for x
    x = 218,214,887,725,303.44/16,770,779.48
  6. Step 6: Final answer
    x = 13,011,612.73

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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.