Home / 5,371,404.80-8,057,107.20-5,315,417.60

Finding the Fourth Proportional to 5,371,404.80, 8,057,107.20 and 5,315,417.60

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Solution

The fourth proportional to 5,371,404.80, 8,057,107.20 and 5,315,417.60 is: 7,973,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371,404.80 : 8,057,107.20 = 5,315,417.60 : x
  2. Step 2: Convert to fraction form
    5,371,404.80/8,057,107.20 = 5,315,417.60/x
  3. Step 3: Cross multiply
    5,371,404.80x = 8,057,107.20 × 5,315,417.60
  4. Step 4: Simplify right side
    5,371,404.80x = 42,826,889,415,966.72
  5. Step 5: Solve for x
    x = 42,826,889,415,966.72/5,371,404.80
  6. Step 6: Final answer
    x = 7,973,126.40

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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.