Home / 13,824,006.60-20,736,009.90-12,585,376.20

Finding the Fourth Proportional to 13,824,006.60, 20,736,009.90 and 12,585,376.20

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Solution

The fourth proportional to 13,824,006.60, 20,736,009.90 and 12,585,376.20 is: 18,878,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,006.60 : 20,736,009.90 = 12,585,376.20 : x
  2. Step 2: Convert to fraction form
    13,824,006.60/20,736,009.90 = 12,585,376.20/x
  3. Step 3: Cross multiply
    13,824,006.60x = 20,736,009.90 × 12,585,376.20
  4. Step 4: Simplify right side
    13,824,006.60x = 260,970,485,478,424.34
  5. Step 5: Solve for x
    x = 260,970,485,478,424.34/13,824,006.60
  6. Step 6: Final answer
    x = 18,878,064.30

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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.