Home / 19,032,450.64-28,549,776.52-5,384,453.74

Finding the Fourth Proportional to 19,032,450.64, 28,549,776.52 and 5,384,453.74

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Solution

The fourth proportional to 19,032,450.64, 28,549,776.52 and 5,384,453.74 is: 8,076,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032,450.64 : 28,549,776.52 = 5,384,453.74 : x
  2. Step 2: Convert to fraction form
    19,032,450.64/28,549,776.52 = 5,384,453.74/x
  3. Step 3: Cross multiply
    19,032,450.64x = 28,549,776.52 × 5,384,453.74
  4. Step 4: Simplify right side
    19,032,450.64x = 153,724,950,959,278.19
  5. Step 5: Solve for x
    x = 153,724,950,959,278.19/19,032,450.64
  6. Step 6: Final answer
    x = 8,076,991.97

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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.