Home / 20,355,066.60-30,546,596.70-8,387,802.60

Finding the Fourth Proportional to 20,355,066.60, 30,546,596.70 and 8,387,802.60

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Solution

The fourth proportional to 20,355,066.60, 30,546,596.70 and 8,387,802.60 is: 12,587,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355,066.60 : 30,546,596.70 = 8,387,802.60 : x
  2. Step 2: Convert to fraction form
    20,355,066.60/30,546,596.70 = 8,387,802.60/x
  3. Step 3: Cross multiply
    20,355,066.60x = 30,546,596.70 × 8,387,802.60
  4. Step 4: Simplify right side
    20,355,066.60x = 256,218,823,221,411.41
  5. Step 5: Solve for x
    x = 256,218,823,221,411.41/20,355,066.60
  6. Step 6: Final answer
    x = 12,587,471.62

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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.