Home / 7,870,624.80-11,779,249.92-4,839,894.72

Finding the Fourth Proportional to 7,870,624.80, 11,779,249.92 and 4,839,894.72

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Solution

The fourth proportional to 7,870,624.80, 11,779,249.92 and 4,839,894.72 is: 7,243,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,624.80 : 11,779,249.92 = 4,839,894.72 : x
  2. Step 2: Convert to fraction form
    7,870,624.80/11,779,249.92 = 4,839,894.72/x
  3. Step 3: Cross multiply
    7,870,624.80x = 11,779,249.92 × 4,839,894.72
  4. Step 4: Simplify right side
    7,870,624.80x = 57,010,329,493,368.42
  5. Step 5: Solve for x
    x = 57,010,329,493,368.42/7,870,624.80
  6. Step 6: Final answer
    x = 7,243,431.23

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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.