Home / 8,429,620-11,630,160.48-5,163,029.32

Finding the Fourth Proportional to 8,429,620, 11,630,160.48 and 5,163,029.32

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Solution

The fourth proportional to 8,429,620, 11,630,160.48 and 5,163,029.32 is: 7,123,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429,620 : 11,630,160.48 = 5,163,029.32 : x
  2. Step 2: Convert to fraction form
    8,429,620/11,630,160.48 = 5,163,029.32/x
  3. Step 3: Cross multiply
    8,429,620x = 11,630,160.48 × 5,163,029.32
  4. Step 4: Simplify right side
    8,429,620x = 60,046,859,554,545.28
  5. Step 5: Solve for x
    x = 60,046,859,554,545.28/8,429,620
  6. Step 6: Final answer
    x = 7,123,317.49

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1.5x scale

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.