Home / 9,727,547.80-13,424,068.78-5,317,279.44

Finding the Fourth Proportional to 9,727,547.80, 13,424,068.78 and 5,317,279.44

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Solution

The fourth proportional to 9,727,547.80, 13,424,068.78 and 5,317,279.44 is: 7,337,874.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,727,547.80 : 13,424,068.78 = 5,317,279.44 : x
  2. Step 2: Convert to fraction form
    9,727,547.80/13,424,068.78 = 5,317,279.44/x
  3. Step 3: Cross multiply
    9,727,547.80x = 13,424,068.78 × 5,317,279.44
  4. Step 4: Simplify right side
    9,727,547.80x = 71,379,524,925,039.89
  5. Step 5: Solve for x
    x = 71,379,524,925,039.89/9,727,547.80
  6. Step 6: Final answer
    x = 7,337,874.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.