Home / 12,377,037.90-18,565,556.85-3,280,539.45

Finding the Fourth Proportional to 12,377,037.90, 18,565,556.85 and 3,280,539.45

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Solution

The fourth proportional to 12,377,037.90, 18,565,556.85 and 3,280,539.45 is: 4,920,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,037.90 : 18,565,556.85 = 3,280,539.45 : x
  2. Step 2: Convert to fraction form
    12,377,037.90/18,565,556.85 = 3,280,539.45/x
  3. Step 3: Cross multiply
    12,377,037.90x = 18,565,556.85 × 3,280,539.45
  4. Step 4: Simplify right side
    12,377,037.90x = 60,905,041,657,642.74
  5. Step 5: Solve for x
    x = 60,905,041,657,642.74/12,377,037.90
  6. Step 6: Final answer
    x = 4,920,809.18

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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.