Home / 53,164,396.50-79,746,594.66-12,774,880.50

Finding the Fourth Proportional to 53,164,396.50, 79,746,594.66 and 12,774,880.50

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Solution

The fourth proportional to 53,164,396.50, 79,746,594.66 and 12,774,880.50 is: 19,162,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,164,396.50 : 79,746,594.66 = 12,774,880.50 : x
  2. Step 2: Convert to fraction form
    53,164,396.50/79,746,594.66 = 12,774,880.50/x
  3. Step 3: Cross multiply
    53,164,396.50x = 79,746,594.66 × 12,774,880.50
  4. Step 4: Simplify right side
    53,164,396.50x = 1,018,753,217,063,438.12
  5. Step 5: Solve for x
    x = 1,018,753,217,063,438.12/53,164,396.50
  6. Step 6: Final answer
    x = 19,162,320.73

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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.