Home / 7,752,155.76-10,697,975.08-4,315,208.72

Finding the Fourth Proportional to 7,752,155.76, 10,697,975.08 and 4,315,208.72

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Solution

The fourth proportional to 7,752,155.76, 10,697,975.08 and 4,315,208.72 is: 5,954,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752,155.76 : 10,697,975.08 = 4,315,208.72 : x
  2. Step 2: Convert to fraction form
    7,752,155.76/10,697,975.08 = 4,315,208.72/x
  3. Step 3: Cross multiply
    7,752,155.76x = 10,697,975.08 × 4,315,208.72
  4. Step 4: Simplify right side
    7,752,155.76x = 46,163,995,351,558.70
  5. Step 5: Solve for x
    x = 46,163,995,351,558.70/7,752,155.76
  6. Step 6: Final answer
    x = 5,954,988.11

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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.