Home / 28,136,683.20-42,182,975.52-11,110,100.64

Finding the Fourth Proportional to 28,136,683.20, 42,182,975.52 and 11,110,100.64

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Solution

The fourth proportional to 28,136,683.20, 42,182,975.52 and 11,110,100.64 is: 16,656,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,683.20 : 42,182,975.52 = 11,110,100.64 : x
  2. Step 2: Convert to fraction form
    28,136,683.20/42,182,975.52 = 11,110,100.64/x
  3. Step 3: Cross multiply
    28,136,683.20x = 42,182,975.52 × 11,110,100.64
  4. Step 4: Simplify right side
    28,136,683.20x = 468,657,103,321,856.38
  5. Step 5: Solve for x
    x = 468,657,103,321,856.38/28,136,683.20
  6. Step 6: Final answer
    x = 16,656,444.54

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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.