Home / 28,853,866.20-43,343,784.90-20,350,810.20

Finding the Fourth Proportional to 28,853,866.20, 43,343,784.90 and 20,350,810.20

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Solution

The fourth proportional to 28,853,866.20, 43,343,784.90 and 20,350,810.20 is: 30,570,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853,866.20 : 43,343,784.90 = 20,350,810.20 : x
  2. Step 2: Convert to fraction form
    28,853,866.20/43,343,784.90 = 20,350,810.20/x
  3. Step 3: Cross multiply
    28,853,866.20x = 43,343,784.90 × 20,350,810.20
  4. Step 4: Simplify right side
    28,853,866.20x = 882,081,139,849,525.88
  5. Step 5: Solve for x
    x = 882,081,139,849,525.88/28,853,866.20
  6. Step 6: Final answer
    x = 30,570,639.43

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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.