Home / 8,780,897.70-13,171,577.67-2,391,280.74

Finding the Fourth Proportional to 8,780,897.70, 13,171,577.67 and 2,391,280.74

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Solution

The fourth proportional to 8,780,897.70, 13,171,577.67 and 2,391,280.74 is: 3,586,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,897.70 : 13,171,577.67 = 2,391,280.74 : x
  2. Step 2: Convert to fraction form
    8,780,897.70/13,171,577.67 = 2,391,280.74/x
  3. Step 3: Cross multiply
    8,780,897.70x = 13,171,577.67 × 2,391,280.74
  4. Step 4: Simplify right side
    8,780,897.70x = 31,496,939,997,685.08
  5. Step 5: Solve for x
    x = 31,496,939,997,685.08/8,780,897.70
  6. Step 6: Final answer
    x = 3,586,984.05

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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.