Home / 19,139,245.20-26,412,141.60-10,437,434.64

Finding the Fourth Proportional to 19,139,245.20, 26,412,141.60 and 10,437,434.64

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Solution

The fourth proportional to 19,139,245.20, 26,412,141.60 and 10,437,434.64 is: 14,403,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139,245.20 : 26,412,141.60 = 10,437,434.64 : x
  2. Step 2: Convert to fraction form
    19,139,245.20/26,412,141.60 = 10,437,434.64/x
  3. Step 3: Cross multiply
    19,139,245.20x = 26,412,141.60 × 10,437,434.64
  4. Step 4: Simplify right side
    19,139,245.20x = 275,675,001,652,425.06
  5. Step 5: Solve for x
    x = 275,675,001,652,425.06/19,139,245.20
  6. Step 6: Final answer
    x = 14,403,650.65

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1.5x scale

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.