Home / 19,150,200.30-28,725,300.45-9,072,504.30

Finding the Fourth Proportional to 19,150,200.30, 28,725,300.45 and 9,072,504.30

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Solution

The fourth proportional to 19,150,200.30, 28,725,300.45 and 9,072,504.30 is: 13,608,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150,200.30 : 28,725,300.45 = 9,072,504.30 : x
  2. Step 2: Convert to fraction form
    19,150,200.30/28,725,300.45 = 9,072,504.30/x
  3. Step 3: Cross multiply
    19,150,200.30x = 28,725,300.45 × 9,072,504.30
  4. Step 4: Simplify right side
    19,150,200.30x = 260,610,411,851,416.94
  5. Step 5: Solve for x
    x = 260,610,411,851,416.94/19,150,200.30
  6. Step 6: Final answer
    x = 13,608,756.45

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Similar ratio
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1.5x scale

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.