Home / 19,699,415.80-29,549,123.70-9,061,847.80

Finding the Fourth Proportional to 19,699,415.80, 29,549,123.70 and 9,061,847.80

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Solution

The fourth proportional to 19,699,415.80, 29,549,123.70 and 9,061,847.80 is: 13,592,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699,415.80 : 29,549,123.70 = 9,061,847.80 : x
  2. Step 2: Convert to fraction form
    19,699,415.80/29,549,123.70 = 9,061,847.80/x
  3. Step 3: Cross multiply
    19,699,415.80x = 29,549,123.70 × 9,061,847.80
  4. Step 4: Simplify right side
    19,699,415.80x = 267,769,661,592,772.88
  5. Step 5: Solve for x
    x = 267,769,661,592,772.88/19,699,415.80
  6. Step 6: Final answer
    x = 13,592,771.70

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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.