Home / 28,970,545.80-43,455,818.70-9,801,928.20

Finding the Fourth Proportional to 28,970,545.80, 43,455,818.70 and 9,801,928.20

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Solution

The fourth proportional to 28,970,545.80, 43,455,818.70 and 9,801,928.20 is: 14,702,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,545.80 : 43,455,818.70 = 9,801,928.20 : x
  2. Step 2: Convert to fraction form
    28,970,545.80/43,455,818.70 = 9,801,928.20/x
  3. Step 3: Cross multiply
    28,970,545.80x = 43,455,818.70 × 9,801,928.20
  4. Step 4: Simplify right side
    28,970,545.80x = 425,950,814,769,617.31
  5. Step 5: Solve for x
    x = 425,950,814,769,617.31/28,970,545.80
  6. Step 6: Final answer
    x = 14,702,892.30

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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.