Home / 13,742,816.40-20,608,975.80-4,155,008.40

Finding the Fourth Proportional to 13,742,816.40, 20,608,975.80 and 4,155,008.40

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Solution

The fourth proportional to 13,742,816.40, 20,608,975.80 and 4,155,008.40 is: 6,230,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,816.40 : 20,608,975.80 = 4,155,008.40 : x
  2. Step 2: Convert to fraction form
    13,742,816.40/20,608,975.80 = 4,155,008.40/x
  3. Step 3: Cross multiply
    13,742,816.40x = 20,608,975.80 × 4,155,008.40
  4. Step 4: Simplify right side
    13,742,816.40x = 85,630,467,564,396.72
  5. Step 5: Solve for x
    x = 85,630,467,564,396.72/13,742,816.40
  6. Step 6: Final answer
    x = 6,230,925.68

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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.