Home / 28,890,563.60-43,342,260.60-9,720,779.60

Finding the Fourth Proportional to 28,890,563.60, 43,342,260.60 and 9,720,779.60

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Solution

The fourth proportional to 28,890,563.60, 43,342,260.60 and 9,720,779.60 is: 14,583,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890,563.60 : 43,342,260.60 = 9,720,779.60 : x
  2. Step 2: Convert to fraction form
    28,890,563.60/43,342,260.60 = 9,720,779.60/x
  3. Step 3: Cross multiply
    28,890,563.60x = 43,342,260.60 × 9,720,779.60
  4. Step 4: Simplify right side
    28,890,563.60x = 421,320,562,658,363.75
  5. Step 5: Solve for x
    x = 421,320,562,658,363.75/28,890,563.60
  6. Step 6: Final answer
    x = 14,583,327.92

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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.