Home / 7,870,665.38-11,779,332.71-4,839,950.84

Finding the Fourth Proportional to 7,870,665.38, 11,779,332.71 and 4,839,950.84

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Solution

The fourth proportional to 7,870,665.38, 11,779,332.71 and 4,839,950.84 is: 7,243,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,665.38 : 11,779,332.71 = 4,839,950.84 : x
  2. Step 2: Convert to fraction form
    7,870,665.38/11,779,332.71 = 4,839,950.84/x
  3. Step 3: Cross multiply
    7,870,665.38x = 11,779,332.71 × 4,839,950.84
  4. Step 4: Simplify right side
    7,870,665.38x = 57,011,391,161,307.56
  5. Step 5: Solve for x
    x = 57,011,391,161,307.56/7,870,665.38
  6. Step 6: Final answer
    x = 7,243,528.78

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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.