Home / 12,727,585.72-17,564,646.64-7,500,814.44

Finding the Fourth Proportional to 12,727,585.72, 17,564,646.64 and 7,500,814.44

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Solution

The fourth proportional to 12,727,585.72, 17,564,646.64 and 7,500,814.44 is: 10,351,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727,585.72 : 17,564,646.64 = 7,500,814.44 : x
  2. Step 2: Convert to fraction form
    12,727,585.72/17,564,646.64 = 7,500,814.44/x
  3. Step 3: Cross multiply
    12,727,585.72x = 17,564,646.64 × 7,500,814.44
  4. Step 4: Simplify right side
    12,727,585.72x = 131,749,155,150,809.50
  5. Step 5: Solve for x
    x = 131,749,155,150,809.50/12,727,585.72
  6. Step 6: Final answer
    x = 10,351,464.77

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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.