Home / 8,312,349.90-12,447,529.65-5,457,002.70

Finding the Fourth Proportional to 8,312,349.90, 12,447,529.65 and 5,457,002.70

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Solution

The fourth proportional to 8,312,349.90, 12,447,529.65 and 5,457,002.70 is: 8,171,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,349.90 : 12,447,529.65 = 5,457,002.70 : x
  2. Step 2: Convert to fraction form
    8,312,349.90/12,447,529.65 = 5,457,002.70/x
  3. Step 3: Cross multiply
    8,312,349.90x = 12,447,529.65 × 5,457,002.70
  4. Step 4: Simplify right side
    8,312,349.90x = 67,926,202,908,380.06
  5. Step 5: Solve for x
    x = 67,926,202,908,380.06/8,312,349.90
  6. Step 6: Final answer
    x = 8,171,720.84

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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.