Home / 15,545,550.28-21,452,897.46-8,670,477.64

Finding the Fourth Proportional to 15,545,550.28, 21,452,897.46 and 8,670,477.64

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Solution

The fourth proportional to 15,545,550.28, 21,452,897.46 and 8,670,477.64 is: 11,965,280.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545,550.28 : 21,452,897.46 = 8,670,477.64 : x
  2. Step 2: Convert to fraction form
    15,545,550.28/21,452,897.46 = 8,670,477.64/x
  3. Step 3: Cross multiply
    15,545,550.28x = 21,452,897.46 × 8,670,477.64
  4. Step 4: Simplify right side
    15,545,550.28x = 186,006,867,740,142.81
  5. Step 5: Solve for x
    x = 186,006,867,740,142.81/15,545,550.28
  6. Step 6: Final answer
    x = 11,965,280.38

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Double scale
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1.5x scale

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.