Home / 10,640,412.80-15,962,692.80-4,575,132.80

Finding the Fourth Proportional to 10,640,412.80, 15,962,692.80 and 4,575,132.80

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Solution

The fourth proportional to 10,640,412.80, 15,962,692.80 and 4,575,132.80 is: 6,863,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640,412.80 : 15,962,692.80 = 4,575,132.80 : x
  2. Step 2: Convert to fraction form
    10,640,412.80/15,962,692.80 = 4,575,132.80/x
  3. Step 3: Cross multiply
    10,640,412.80x = 15,962,692.80 × 4,575,132.80
  4. Step 4: Simplify right side
    10,640,412.80x = 73,031,439,405,603.84
  5. Step 5: Solve for x
    x = 73,031,439,405,603.84/10,640,412.80
  6. Step 6: Final answer
    x = 6,863,590.80

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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.