Home / 14,595,928.79-20,142,802.44-8,069,979.78

Finding the Fourth Proportional to 14,595,928.79, 20,142,802.44 and 8,069,979.78

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Solution

The fourth proportional to 14,595,928.79, 20,142,802.44 and 8,069,979.78 is: 11,136,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595,928.79 : 20,142,802.44 = 8,069,979.78 : x
  2. Step 2: Convert to fraction form
    14,595,928.79/20,142,802.44 = 8,069,979.78/x
  3. Step 3: Cross multiply
    14,595,928.79x = 20,142,802.44 × 8,069,979.78
  4. Step 4: Simplify right side
    14,595,928.79x = 162,552,008,403,334.69
  5. Step 5: Solve for x
    x = 162,552,008,403,334.69/14,595,928.79
  6. Step 6: Final answer
    x = 11,136,804.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.