Home / 7,030,981.28-9,703,015.44-3,975,013.28

Finding the Fourth Proportional to 7,030,981.28, 9,703,015.44 and 3,975,013.28

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Solution

The fourth proportional to 7,030,981.28, 9,703,015.44 and 3,975,013.28 is: 5,485,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030,981.28 : 9,703,015.44 = 3,975,013.28 : x
  2. Step 2: Convert to fraction form
    7,030,981.28/9,703,015.44 = 3,975,013.28/x
  3. Step 3: Cross multiply
    7,030,981.28x = 9,703,015.44 × 3,975,013.28
  4. Step 4: Simplify right side
    7,030,981.28x = 38,569,615,230,045.04
  5. Step 5: Solve for x
    x = 38,569,615,230,045.04/7,030,981.28
  6. Step 6: Final answer
    x = 5,485,666.04

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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.