Home / 19,185,631.20-28,731,207.60-9,076,442.40

Finding the Fourth Proportional to 19,185,631.20, 28,731,207.60 and 9,076,442.40

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Solution

The fourth proportional to 19,185,631.20, 28,731,207.60 and 9,076,442.40 is: 13,592,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185,631.20 : 28,731,207.60 = 9,076,442.40 : x
  2. Step 2: Convert to fraction form
    19,185,631.20/28,731,207.60 = 9,076,442.40/x
  3. Step 3: Cross multiply
    19,185,631.20x = 28,731,207.60 × 9,076,442.40
  4. Step 4: Simplify right side
    19,185,631.20x = 260,777,150,863,842.25
  5. Step 5: Solve for x
    x = 260,777,150,863,842.25/19,185,631.20
  6. Step 6: Final answer
    x = 13,592,315.42

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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.