Home / 28,896,734.40-39,879,285.20-16,019,678.40

Finding the Fourth Proportional to 28,896,734.40, 39,879,285.20 and 16,019,678.40

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Solution

The fourth proportional to 28,896,734.40, 39,879,285.20 and 16,019,678.40 is: 22,108,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896,734.40 : 39,879,285.20 = 16,019,678.40 : x
  2. Step 2: Convert to fraction form
    28,896,734.40/39,879,285.20 = 16,019,678.40/x
  3. Step 3: Cross multiply
    28,896,734.40x = 39,879,285.20 × 16,019,678.40
  4. Step 4: Simplify right side
    28,896,734.40x = 638,853,323,725,879.75
  5. Step 5: Solve for x
    x = 638,853,323,725,879.75/28,896,734.40
  6. Step 6: Final answer
    x = 22,108,149.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.