Home / 12,888,717.79-19,328,941.63-4,250,876.30

Finding the Fourth Proportional to 12,888,717.79, 19,328,941.63 and 4,250,876.30

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Solution

The fourth proportional to 12,888,717.79, 19,328,941.63 and 4,250,876.30 is: 6,374,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,717.79 : 19,328,941.63 = 4,250,876.30 : x
  2. Step 2: Convert to fraction form
    12,888,717.79/19,328,941.63 = 4,250,876.30/x
  3. Step 3: Cross multiply
    12,888,717.79x = 19,328,941.63 × 4,250,876.30
  4. Step 4: Simplify right side
    12,888,717.79x = 82,164,939,879,050.36
  5. Step 5: Solve for x
    x = 82,164,939,879,050.36/12,888,717.79
  6. Step 6: Final answer
    x = 6,374,950.65

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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.