Home / 12,214,984.34-16,863,222.69-9,417,998.75

Finding the Fourth Proportional to 12,214,984.34, 16,863,222.69 and 9,417,998.75

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Solution

The fourth proportional to 12,214,984.34, 16,863,222.69 and 9,417,998.75 is: 13,001,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214,984.34 : 16,863,222.69 = 9,417,998.75 : x
  2. Step 2: Convert to fraction form
    12,214,984.34/16,863,222.69 = 9,417,998.75/x
  3. Step 3: Cross multiply
    12,214,984.34x = 16,863,222.69 × 9,417,998.75
  4. Step 4: Simplify right side
    12,214,984.34x = 158,817,810,131,075.53
  5. Step 5: Solve for x
    x = 158,817,810,131,075.53/12,214,984.34
  6. Step 6: Final answer
    x = 13,001,884.06

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1.5x scale

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.