Home / 8,985,280.65-13,477,920.96-2,161,853.94

Finding the Fourth Proportional to 8,985,280.65, 13,477,920.96 and 2,161,853.94

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Solution

The fourth proportional to 8,985,280.65, 13,477,920.96 and 2,161,853.94 is: 3,242,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985,280.65 : 13,477,920.96 = 2,161,853.94 : x
  2. Step 2: Convert to fraction form
    8,985,280.65/13,477,920.96 = 2,161,853.94/x
  3. Step 3: Cross multiply
    8,985,280.65x = 13,477,920.96 × 2,161,853.94
  4. Step 4: Simplify right side
    8,985,280.65x = 29,137,296,564,001.95
  5. Step 5: Solve for x
    x = 29,137,296,564,001.95/8,985,280.65
  6. Step 6: Final answer
    x = 3,242,780.91

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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.