Home / 7,381,620.70-11,072,431.05-4,345,870.30

Finding the Fourth Proportional to 7,381,620.70, 11,072,431.05 and 4,345,870.30

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Solution

The fourth proportional to 7,381,620.70, 11,072,431.05 and 4,345,870.30 is: 6,518,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,620.70 : 11,072,431.05 = 4,345,870.30 : x
  2. Step 2: Convert to fraction form
    7,381,620.70/11,072,431.05 = 4,345,870.30/x
  3. Step 3: Cross multiply
    7,381,620.70x = 11,072,431.05 × 4,345,870.30
  4. Step 4: Simplify right side
    7,381,620.70x = 48,119,349,248,992.81
  5. Step 5: Solve for x
    x = 48,119,349,248,992.81/7,381,620.70
  6. Step 6: Final answer
    x = 6,518,805.45

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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.