Home / 8,557,042.40-12,835,563.60-6,653,477.60

Finding the Fourth Proportional to 8,557,042.40, 12,835,563.60 and 6,653,477.60

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Solution

The fourth proportional to 8,557,042.40, 12,835,563.60 and 6,653,477.60 is: 9,980,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557,042.40 : 12,835,563.60 = 6,653,477.60 : x
  2. Step 2: Convert to fraction form
    8,557,042.40/12,835,563.60 = 6,653,477.60/x
  3. Step 3: Cross multiply
    8,557,042.40x = 12,835,563.60 × 6,653,477.60
  4. Step 4: Simplify right side
    8,557,042.40x = 85,401,134,895,975.36
  5. Step 5: Solve for x
    x = 85,401,134,895,975.36/8,557,042.40
  6. Step 6: Final answer
    x = 9,980,216.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.