Home / 8,305,117.10-12,457,675.65-7,801,232.30

Finding the Fourth Proportional to 8,305,117.10, 12,457,675.65 and 7,801,232.30

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Solution

The fourth proportional to 8,305,117.10, 12,457,675.65 and 7,801,232.30 is: 11,701,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,117.10 : 12,457,675.65 = 7,801,232.30 : x
  2. Step 2: Convert to fraction form
    8,305,117.10/12,457,675.65 = 7,801,232.30/x
  3. Step 3: Cross multiply
    8,305,117.10x = 12,457,675.65 × 7,801,232.30
  4. Step 4: Simplify right side
    8,305,117.10x = 97,185,221,663,703.50
  5. Step 5: Solve for x
    x = 97,185,221,663,703.50/8,305,117.10
  6. Step 6: Final answer
    x = 11,701,848.45

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Double scale
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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.