Home / 7,381,837.70-11,072,756.55-6,637,820.30

Finding the Fourth Proportional to 7,381,837.70, 11,072,756.55 and 6,637,820.30

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Solution

The fourth proportional to 7,381,837.70, 11,072,756.55 and 6,637,820.30 is: 9,956,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,837.70 : 11,072,756.55 = 6,637,820.30 : x
  2. Step 2: Convert to fraction form
    7,381,837.70/11,072,756.55 = 6,637,820.30/x
  3. Step 3: Cross multiply
    7,381,837.70x = 11,072,756.55 × 6,637,820.30
  4. Step 4: Simplify right side
    7,381,837.70x = 73,498,968,204,547.97
  5. Step 5: Solve for x
    x = 73,498,968,204,547.97/7,381,837.70
  6. Step 6: Final answer
    x = 9,956,730.45

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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.