Home / 12,776,364.63-17,630,720.64-7,269,627.96

Finding the Fourth Proportional to 12,776,364.63, 17,630,720.64 and 7,269,627.96

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Solution

The fourth proportional to 12,776,364.63, 17,630,720.64 and 7,269,627.96 is: 10,031,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,364.63 : 17,630,720.64 = 7,269,627.96 : x
  2. Step 2: Convert to fraction form
    12,776,364.63/17,630,720.64 = 7,269,627.96/x
  3. Step 3: Cross multiply
    12,776,364.63x = 17,630,720.64 × 7,269,627.96
  4. Step 4: Simplify right side
    12,776,364.63x = 128,168,779,719,493.09
  5. Step 5: Solve for x
    x = 128,168,779,719,493.09/12,776,364.63
  6. Step 6: Final answer
    x = 10,031,709.60

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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.