Home / 19,488,036.20-29,232,054.30-18,442,941.80

Finding the Fourth Proportional to 19,488,036.20, 29,232,054.30 and 18,442,941.80

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Solution

The fourth proportional to 19,488,036.20, 29,232,054.30 and 18,442,941.80 is: 27,664,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488,036.20 : 29,232,054.30 = 18,442,941.80 : x
  2. Step 2: Convert to fraction form
    19,488,036.20/29,232,054.30 = 18,442,941.80/x
  3. Step 3: Cross multiply
    19,488,036.20x = 29,232,054.30 × 18,442,941.80
  4. Step 4: Simplify right side
    19,488,036.20x = 539,125,076,149,339.75
  5. Step 5: Solve for x
    x = 539,125,076,149,339.75/19,488,036.20
  6. Step 6: Final answer
    x = 27,664,412.70

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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.