Home / 6,518,076.60-8,963,040.78-5,657,137.32

Finding the Fourth Proportional to 6,518,076.60, 8,963,040.78 and 5,657,137.32

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Solution

The fourth proportional to 6,518,076.60, 8,963,040.78 and 5,657,137.32 is: 7,779,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,076.60 : 8,963,040.78 = 5,657,137.32 : x
  2. Step 2: Convert to fraction form
    6,518,076.60/8,963,040.78 = 5,657,137.32/x
  3. Step 3: Cross multiply
    6,518,076.60x = 8,963,040.78 × 5,657,137.32
  4. Step 4: Simplify right side
    6,518,076.60x = 50,705,152,497,219.91
  5. Step 5: Solve for x
    x = 50,705,152,497,219.91/6,518,076.60
  6. Step 6: Final answer
    x = 7,779,158.73

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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.