Home / 11,881,068.67-16,425,859.73-8,778,698.91

Finding the Fourth Proportional to 11,881,068.67, 16,425,859.73 and 8,778,698.91

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Solution

The fourth proportional to 11,881,068.67, 16,425,859.73 and 8,778,698.91 is: 12,136,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,068.67 : 16,425,859.73 = 8,778,698.91 : x
  2. Step 2: Convert to fraction form
    11,881,068.67/16,425,859.73 = 8,778,698.91/x
  3. Step 3: Cross multiply
    11,881,068.67x = 16,425,859.73 × 8,778,698.91
  4. Step 4: Simplify right side
    11,881,068.67x = 144,197,676,923,801.94
  5. Step 5: Solve for x
    x = 144,197,676,923,801.94/11,881,068.67
  6. Step 6: Final answer
    x = 12,136,759.82

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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.