Home / 8,512,106.39-12,768,075.45-3,899,784.34

Finding the Fourth Proportional to 8,512,106.39, 12,768,075.45 and 3,899,784.34

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Solution

The fourth proportional to 8,512,106.39, 12,768,075.45 and 3,899,784.34 is: 5,849,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,106.39 : 12,768,075.45 = 3,899,784.34 : x
  2. Step 2: Convert to fraction form
    8,512,106.39/12,768,075.45 = 3,899,784.34/x
  3. Step 3: Cross multiply
    8,512,106.39x = 12,768,075.45 × 3,899,784.34
  4. Step 4: Simplify right side
    8,512,106.39x = 49,792,740,693,184.35
  5. Step 5: Solve for x
    x = 49,792,740,693,184.35/8,512,106.39
  6. Step 6: Final answer
    x = 5,849,637.96

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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.