Home / 7,670,470.60-10,585,182.78-4,185,878.28

Finding the Fourth Proportional to 7,670,470.60, 10,585,182.78 and 4,185,878.28

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Solution

The fourth proportional to 7,670,470.60, 10,585,182.78 and 4,185,878.28 is: 5,776,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670,470.60 : 10,585,182.78 = 4,185,878.28 : x
  2. Step 2: Convert to fraction form
    7,670,470.60/10,585,182.78 = 4,185,878.28/x
  3. Step 3: Cross multiply
    7,670,470.60x = 10,585,182.78 × 4,185,878.28
  4. Step 4: Simplify right side
    7,670,470.60x = 44,308,286,688,632.02
  5. Step 5: Solve for x
    x = 44,308,286,688,632.02/7,670,470.60
  6. Step 6: Final answer
    x = 5,776,475.66

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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.