Home / 5,381,363.40-8,072,045.10-5,087,430.60

Finding the Fourth Proportional to 5,381,363.40, 8,072,045.10 and 5,087,430.60

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Solution

The fourth proportional to 5,381,363.40, 8,072,045.10 and 5,087,430.60 is: 7,631,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,363.40 : 8,072,045.10 = 5,087,430.60 : x
  2. Step 2: Convert to fraction form
    5,381,363.40/8,072,045.10 = 5,087,430.60/x
  3. Step 3: Cross multiply
    5,381,363.40x = 8,072,045.10 × 5,087,430.60
  4. Step 4: Simplify right side
    5,381,363.40x = 41,065,969,246,320.05
  5. Step 5: Solve for x
    x = 41,065,969,246,320.05/5,381,363.40
  6. Step 6: Final answer
    x = 7,631,145.90

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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.