Home / 14,332,864-19,779,352.56-7,894,336

Finding the Fourth Proportional to 14,332,864, 19,779,352.56 and 7,894,336

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Solution

The fourth proportional to 14,332,864, 19,779,352.56 and 7,894,336 is: 10,894,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332,864 : 19,779,352.56 = 7,894,336 : x
  2. Step 2: Convert to fraction form
    14,332,864/19,779,352.56 = 7,894,336/x
  3. Step 3: Cross multiply
    14,332,864x = 19,779,352.56 × 7,894,336
  4. Step 4: Simplify right side
    14,332,864x = 156,144,854,971,100.16
  5. Step 5: Solve for x
    x = 156,144,854,971,100.16/14,332,864
  6. Step 6: Final answer
    x = 10,894,183.81

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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.