Home / 8,455,190.16-11,671,188.30-5,017,430.28

Finding the Fourth Proportional to 8,455,190.16, 11,671,188.30 and 5,017,430.28

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Solution

The fourth proportional to 8,455,190.16, 11,671,188.30 and 5,017,430.28 is: 6,925,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,190.16 : 11,671,188.30 = 5,017,430.28 : x
  2. Step 2: Convert to fraction form
    8,455,190.16/11,671,188.30 = 5,017,430.28/x
  3. Step 3: Cross multiply
    8,455,190.16x = 11,671,188.30 × 5,017,430.28
  4. Step 4: Simplify right side
    8,455,190.16x = 58,559,373,580,001.73
  5. Step 5: Solve for x
    x = 58,559,373,580,001.73/8,455,190.16
  6. Step 6: Final answer
    x = 6,925,849.39

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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.