Home / 7,155,299.84-9,874,534.40-3,892,352

Finding the Fourth Proportional to 7,155,299.84, 9,874,534.40 and 3,892,352

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Solution

The fourth proportional to 7,155,299.84, 9,874,534.40 and 3,892,352 is: 5,371,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155,299.84 : 9,874,534.40 = 3,892,352 : x
  2. Step 2: Convert to fraction form
    7,155,299.84/9,874,534.40 = 3,892,352/x
  3. Step 3: Cross multiply
    7,155,299.84x = 9,874,534.40 × 3,892,352
  4. Step 4: Simplify right side
    7,155,299.84x = 38,435,163,720,908.80
  5. Step 5: Solve for x
    x = 38,435,163,720,908.80/7,155,299.84
  6. Step 6: Final answer
    x = 5,371,565.77

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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.