Home / 12,698,692.40-17,524,337.16-7,472,855.60

Finding the Fourth Proportional to 12,698,692.40, 17,524,337.16 and 7,472,855.60

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Solution

The fourth proportional to 12,698,692.40, 17,524,337.16 and 7,472,855.60 is: 10,312,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,692.40 : 17,524,337.16 = 7,472,855.60 : x
  2. Step 2: Convert to fraction form
    12,698,692.40/17,524,337.16 = 7,472,855.60/x
  3. Step 3: Cross multiply
    12,698,692.40x = 17,524,337.16 × 7,472,855.60
  4. Step 4: Simplify right side
    12,698,692.40x = 130,956,841,082,394.09
  5. Step 5: Solve for x
    x = 130,956,841,082,394.09/12,698,692.40
  6. Step 6: Final answer
    x = 10,312,624.08

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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.