Home / 13,608,430.80-20,412,646.20-8,569,582.80

Finding the Fourth Proportional to 13,608,430.80, 20,412,646.20 and 8,569,582.80

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Solution

The fourth proportional to 13,608,430.80, 20,412,646.20 and 8,569,582.80 is: 12,854,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,430.80 : 20,412,646.20 = 8,569,582.80 : x
  2. Step 2: Convert to fraction form
    13,608,430.80/20,412,646.20 = 8,569,582.80/x
  3. Step 3: Cross multiply
    13,608,430.80x = 20,412,646.20 × 8,569,582.80
  4. Step 4: Simplify right side
    13,608,430.80x = 174,927,861,778,005.38
  5. Step 5: Solve for x
    x = 174,927,861,778,005.38/13,608,430.80
  6. Step 6: Final answer
    x = 12,854,374.20

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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.