Home / 18,853,779.15-28,280,488.02-11,171,894.32

Finding the Fourth Proportional to 18,853,779.15, 28,280,488.02 and 11,171,894.32

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Solution

The fourth proportional to 18,853,779.15, 28,280,488.02 and 11,171,894.32 is: 16,757,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853,779.15 : 28,280,488.02 = 11,171,894.32 : x
  2. Step 2: Convert to fraction form
    18,853,779.15/28,280,488.02 = 11,171,894.32/x
  3. Step 3: Cross multiply
    18,853,779.15x = 28,280,488.02 × 11,171,894.32
  4. Step 4: Simplify right side
    18,853,779.15x = 315,946,623,280,204.12
  5. Step 5: Solve for x
    x = 315,946,623,280,204.12/18,853,779.15
  6. Step 6: Final answer
    x = 16,757,734.39

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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.