Home / 8,305,065.10-12,457,597.65-7,360,281.10

Finding the Fourth Proportional to 8,305,065.10, 12,457,597.65 and 7,360,281.10

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Solution

The fourth proportional to 8,305,065.10, 12,457,597.65 and 7,360,281.10 is: 11,040,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,065.10 : 12,457,597.65 = 7,360,281.10 : x
  2. Step 2: Convert to fraction form
    8,305,065.10/12,457,597.65 = 7,360,281.10/x
  3. Step 3: Cross multiply
    8,305,065.10x = 12,457,597.65 × 7,360,281.10
  4. Step 4: Simplify right side
    8,305,065.10x = 91,691,420,534,699.41
  5. Step 5: Solve for x
    x = 91,691,420,534,699.41/8,305,065.10
  6. Step 6: Final answer
    x = 11,040,421.65

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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.