Home / 8,731,221.40-13,096,832.10-6,605,457.40

Finding the Fourth Proportional to 8,731,221.40, 13,096,832.10 and 6,605,457.40

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Solution

The fourth proportional to 8,731,221.40, 13,096,832.10 and 6,605,457.40 is: 9,908,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,221.40 : 13,096,832.10 = 6,605,457.40 : x
  2. Step 2: Convert to fraction form
    8,731,221.40/13,096,832.10 = 6,605,457.40/x
  3. Step 3: Cross multiply
    8,731,221.40x = 13,096,832.10 × 6,605,457.40
  4. Step 4: Simplify right side
    8,731,221.40x = 86,510,566,511,502.55
  5. Step 5: Solve for x
    x = 86,510,566,511,502.55/8,731,221.40
  6. Step 6: Final answer
    x = 9,908,186.10

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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.