Home / 7,030,979.28-9,703,012.68-3,975,011.28

Finding the Fourth Proportional to 7,030,979.28, 9,703,012.68 and 3,975,011.28

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Solution

The fourth proportional to 7,030,979.28, 9,703,012.68 and 3,975,011.28 is: 5,485,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030,979.28 : 9,703,012.68 = 3,975,011.28 : x
  2. Step 2: Convert to fraction form
    7,030,979.28/9,703,012.68 = 3,975,011.28/x
  3. Step 3: Cross multiply
    7,030,979.28x = 9,703,012.68 × 3,975,011.28
  4. Step 4: Simplify right side
    7,030,979.28x = 38,569,584,852,983.02
  5. Step 5: Solve for x
    x = 38,569,584,852,983.02/7,030,979.28
  6. Step 6: Final answer
    x = 5,485,663.28

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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.