Home / 8,471,816.10-12,698,866.80-4,627,726.20

Finding the Fourth Proportional to 8,471,816.10, 12,698,866.80 and 4,627,726.20

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Solution

The fourth proportional to 8,471,816.10, 12,698,866.80 and 4,627,726.20 is: 6,936,750.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471,816.10 : 12,698,866.80 = 4,627,726.20 : x
  2. Step 2: Convert to fraction form
    8,471,816.10/12,698,866.80 = 4,627,726.20/x
  3. Step 3: Cross multiply
    8,471,816.10x = 12,698,866.80 × 4,627,726.20
  4. Step 4: Simplify right side
    8,471,816.10x = 58,766,878,600,670.16
  5. Step 5: Solve for x
    x = 58,766,878,600,670.16/8,471,816.10
  6. Step 6: Final answer
    x = 6,936,750.98

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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.