Home / 19,032,449.64-28,549,775.02-5,384,452.74

Finding the Fourth Proportional to 19,032,449.64, 28,549,775.02 and 5,384,452.74

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Solution

The fourth proportional to 19,032,449.64, 28,549,775.02 and 5,384,452.74 is: 8,076,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032,449.64 : 28,549,775.02 = 5,384,452.74 : x
  2. Step 2: Convert to fraction form
    19,032,449.64/28,549,775.02 = 5,384,452.74/x
  3. Step 3: Cross multiply
    19,032,449.64x = 28,549,775.02 × 5,384,452.74
  4. Step 4: Simplify right side
    19,032,449.64x = 153,724,914,332,822.56
  5. Step 5: Solve for x
    x = 153,724,914,332,822.56/19,032,449.64
  6. Step 6: Final answer
    x = 8,076,990.47

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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.