Home / 28,970,389.80-43,455,584.70-9,801,772.20

Finding the Fourth Proportional to 28,970,389.80, 43,455,584.70 and 9,801,772.20

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Solution

The fourth proportional to 28,970,389.80, 43,455,584.70 and 9,801,772.20 is: 14,702,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,389.80 : 43,455,584.70 = 9,801,772.20 : x
  2. Step 2: Convert to fraction form
    28,970,389.80/43,455,584.70 = 9,801,772.20/x
  3. Step 3: Cross multiply
    28,970,389.80x = 43,455,584.70 × 9,801,772.20
  4. Step 4: Simplify right side
    28,970,389.80x = 425,941,742,047,205.31
  5. Step 5: Solve for x
    x = 425,941,742,047,205.31/28,970,389.80
  6. Step 6: Final answer
    x = 14,702,658.30

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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.