Home / 10,505,157.90-15,759,366.09-4,439,915.16

Finding the Fourth Proportional to 10,505,157.90, 15,759,366.09 and 4,439,915.16

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Solution

The fourth proportional to 10,505,157.90, 15,759,366.09 and 4,439,915.16 is: 6,660,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505,157.90 : 15,759,366.09 = 4,439,915.16 : x
  2. Step 2: Convert to fraction form
    10,505,157.90/15,759,366.09 = 4,439,915.16/x
  3. Step 3: Cross multiply
    10,505,157.90x = 15,759,366.09 × 4,439,915.16
  4. Step 4: Simplify right side
    10,505,157.90x = 69,970,248,414,980.93
  5. Step 5: Solve for x
    x = 69,970,248,414,980.93/10,505,157.90
  6. Step 6: Final answer
    x = 6,660,561.32

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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.