Home / 19,157,000.80-28,739,000.40-7,798,597.60

Finding the Fourth Proportional to 19,157,000.80, 28,739,000.40 and 7,798,597.60

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Solution

The fourth proportional to 19,157,000.80, 28,739,000.40 and 7,798,597.60 is: 11,699,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,000.80 : 28,739,000.40 = 7,798,597.60 : x
  2. Step 2: Convert to fraction form
    19,157,000.80/28,739,000.40 = 7,798,597.60/x
  3. Step 3: Cross multiply
    19,157,000.80x = 28,739,000.40 × 7,798,597.60
  4. Step 4: Simplify right side
    19,157,000.80x = 224,123,899,545,839.03
  5. Step 5: Solve for x
    x = 224,123,899,545,839.03/19,157,000.80
  6. Step 6: Final answer
    x = 11,699,320.88

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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.