Home / 7,806,970.50-10,780,267.77-4,911,207.54

Finding the Fourth Proportional to 7,806,970.50, 10,780,267.77 and 4,911,207.54

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Solution

The fourth proportional to 7,806,970.50, 10,780,267.77 and 4,911,207.54 is: 6,781,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806,970.50 : 10,780,267.77 = 4,911,207.54 : x
  2. Step 2: Convert to fraction form
    7,806,970.50/10,780,267.77 = 4,911,207.54/x
  3. Step 3: Cross multiply
    7,806,970.50x = 10,780,267.77 × 4,911,207.54
  4. Step 4: Simplify right side
    7,806,970.50x = 52,944,132,355,242.98
  5. Step 5: Solve for x
    x = 52,944,132,355,242.98/7,806,970.50
  6. Step 6: Final answer
    x = 6,781,648.83

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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.