Home / 7,870,671.38-11,779,341.71-4,839,956.84

Finding the Fourth Proportional to 7,870,671.38, 11,779,341.71 and 4,839,956.84

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Solution

The fourth proportional to 7,870,671.38, 11,779,341.71 and 4,839,956.84 is: 7,243,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,671.38 : 11,779,341.71 = 4,839,956.84 : x
  2. Step 2: Convert to fraction form
    7,870,671.38/11,779,341.71 = 4,839,956.84/x
  3. Step 3: Cross multiply
    7,870,671.38x = 11,779,341.71 × 4,839,956.84
  4. Step 4: Simplify right side
    7,870,671.38x = 57,011,505,396,915.30
  5. Step 5: Solve for x
    x = 57,011,505,396,915.30/7,870,671.38
  6. Step 6: Final answer
    x = 7,243,537.77

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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.