Home / 10,143,619.56-13,999,630.32-6,277,385.88

Finding the Fourth Proportional to 10,143,619.56, 13,999,630.32 and 6,277,385.88

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Solution

The fourth proportional to 10,143,619.56, 13,999,630.32 and 6,277,385.88 is: 8,663,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,619.56 : 13,999,630.32 = 6,277,385.88 : x
  2. Step 2: Convert to fraction form
    10,143,619.56/13,999,630.32 = 6,277,385.88/x
  3. Step 3: Cross multiply
    10,143,619.56x = 13,999,630.32 × 6,277,385.88
  4. Step 4: Simplify right side
    10,143,619.56x = 87,881,081,695,987.88
  5. Step 5: Solve for x
    x = 87,881,081,695,987.88/10,143,619.56
  6. Step 6: Final answer
    x = 8,663,680.77

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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.