Home / 9,643,980-13,309,315.76-5,351,628

Finding the Fourth Proportional to 9,643,980, 13,309,315.76 and 5,351,628

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Solution

The fourth proportional to 9,643,980, 13,309,315.76 and 5,351,628 is: 7,385,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643,980 : 13,309,315.76 = 5,351,628 : x
  2. Step 2: Convert to fraction form
    9,643,980/13,309,315.76 = 5,351,628/x
  3. Step 3: Cross multiply
    9,643,980x = 13,309,315.76 × 5,351,628
  4. Step 4: Simplify right side
    9,643,980x = 71,226,506,882,057.28
  5. Step 5: Solve for x
    x = 71,226,506,882,057.28/9,643,980
  6. Step 6: Final answer
    x = 7,385,592.55

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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.