Home / 14,317,818.61-19,758,592.61-7,879,290.61

Finding the Fourth Proportional to 14,317,818.61, 19,758,592.61 and 7,879,290.61

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Solution

The fourth proportional to 14,317,818.61, 19,758,592.61 and 7,879,290.61 is: 10,873,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317,818.61 : 19,758,592.61 = 7,879,290.61 : x
  2. Step 2: Convert to fraction form
    14,317,818.61/19,758,592.61 = 7,879,290.61/x
  3. Step 3: Cross multiply
    14,317,818.61x = 19,758,592.61 × 7,879,290.61
  4. Step 4: Simplify right side
    14,317,818.61x = 155,683,693,179,391.94
  5. Step 5: Solve for x
    x = 155,683,693,179,391.94/14,317,818.61
  6. Step 6: Final answer
    x = 10,873,422.65

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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.