Home / 14,290,156.80-21,460,118.40-7,571,692.80

Finding the Fourth Proportional to 14,290,156.80, 21,460,118.40 and 7,571,692.80

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Solution

The fourth proportional to 14,290,156.80, 21,460,118.40 and 7,571,692.80 is: 11,370,723.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290,156.80 : 21,460,118.40 = 7,571,692.80 : x
  2. Step 2: Convert to fraction form
    14,290,156.80/21,460,118.40 = 7,571,692.80/x
  3. Step 3: Cross multiply
    14,290,156.80x = 21,460,118.40 × 7,571,692.80
  4. Step 4: Simplify right side
    14,290,156.80x = 162,489,423,976,427.50
  5. Step 5: Solve for x
    x = 162,489,423,976,427.50/14,290,156.80
  6. Step 6: Final answer
    x = 11,370,723.66

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1.5x scale

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.