Home / 8,778,922.98-12,115,384.38-4,911,213.48

Finding the Fourth Proportional to 8,778,922.98, 12,115,384.38 and 4,911,213.48

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Solution

The fourth proportional to 8,778,922.98, 12,115,384.38 and 4,911,213.48 is: 6,777,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,922.98 : 12,115,384.38 = 4,911,213.48 : x
  2. Step 2: Convert to fraction form
    8,778,922.98/12,115,384.38 = 4,911,213.48/x
  3. Step 3: Cross multiply
    8,778,922.98x = 12,115,384.38 × 4,911,213.48
  4. Step 4: Simplify right side
    8,778,922.98x = 59,501,239,082,437.45
  5. Step 5: Solve for x
    x = 59,501,239,082,437.45/8,778,922.98
  6. Step 6: Final answer
    x = 6,777,737.91

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1.5x scale

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.