Home / 7,038,308.94-9,710,609-3,940,376.96

Finding the Fourth Proportional to 7,038,308.94, 9,710,609 and 3,940,376.96

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Solution

The fourth proportional to 7,038,308.94, 9,710,609 and 3,940,376.96 is: 5,436,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038,308.94 : 9,710,609 = 3,940,376.96 : x
  2. Step 2: Convert to fraction form
    7,038,308.94/9,710,609 = 3,940,376.96/x
  3. Step 3: Cross multiply
    7,038,308.94x = 9,710,609 × 3,940,376.96
  4. Step 4: Simplify right side
    7,038,308.94x = 38,263,459,971,168.64
  5. Step 5: Solve for x
    x = 38,263,459,971,168.64/7,038,308.94
  6. Step 6: Final answer
    x = 5,436,456.44

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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.