Home / 12,671,282.88-17,486,500.32-6,870,075.84

Finding the Fourth Proportional to 12,671,282.88, 17,486,500.32 and 6,870,075.84

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Solution

The fourth proportional to 12,671,282.88, 17,486,500.32 and 6,870,075.84 is: 9,480,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,282.88 : 17,486,500.32 = 6,870,075.84 : x
  2. Step 2: Convert to fraction form
    12,671,282.88/17,486,500.32 = 6,870,075.84/x
  3. Step 3: Cross multiply
    12,671,282.88x = 17,486,500.32 × 6,870,075.84
  4. Step 4: Simplify right side
    12,671,282.88x = 120,133,583,374,584.27
  5. Step 5: Solve for x
    x = 120,133,583,374,584.27/12,671,282.88
  6. Step 6: Final answer
    x = 9,480,775.11

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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.