Home / 7,076,509.28-9,757,865.40-4,780,683.68

Finding the Fourth Proportional to 7,076,509.28, 9,757,865.40 and 4,780,683.68

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Solution

The fourth proportional to 7,076,509.28, 9,757,865.40 and 4,780,683.68 is: 6,592,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076,509.28 : 9,757,865.40 = 4,780,683.68 : x
  2. Step 2: Convert to fraction form
    7,076,509.28/9,757,865.40 = 4,780,683.68/x
  3. Step 3: Cross multiply
    7,076,509.28x = 9,757,865.40 × 4,780,683.68
  4. Step 4: Simplify right side
    7,076,509.28x = 46,649,267,869,416.67
  5. Step 5: Solve for x
    x = 46,649,267,869,416.67/7,076,509.28
  6. Step 6: Final answer
    x = 6,592,129.82

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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.