Home / 12,134,814.48-16,741,692.60-7,172,215.08

Finding the Fourth Proportional to 12,134,814.48, 16,741,692.60 and 7,172,215.08

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Solution

The fourth proportional to 12,134,814.48, 16,741,692.60 and 7,172,215.08 is: 9,895,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,814.48 : 16,741,692.60 = 7,172,215.08 : x
  2. Step 2: Convert to fraction form
    12,134,814.48/16,741,692.60 = 7,172,215.08/x
  3. Step 3: Cross multiply
    12,134,814.48x = 16,741,692.60 × 7,172,215.08
  4. Step 4: Simplify right side
    12,134,814.48x = 120,075,020,130,444.41
  5. Step 5: Solve for x
    x = 120,075,020,130,444.41/12,134,814.48
  6. Step 6: Final answer
    x = 9,895,084.95

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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.