Home / 8,736,658.80-12,056,649.10-4,869,429.06

Finding the Fourth Proportional to 8,736,658.80, 12,056,649.10 and 4,869,429.06

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Solution

The fourth proportional to 8,736,658.80, 12,056,649.10 and 4,869,429.06 is: 6,719,845.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,658.80 : 12,056,649.10 = 4,869,429.06 : x
  2. Step 2: Convert to fraction form
    8,736,658.80/12,056,649.10 = 4,869,429.06/x
  3. Step 3: Cross multiply
    8,736,658.80x = 12,056,649.10 × 4,869,429.06
  4. Step 4: Simplify right side
    8,736,658.80x = 58,708,997,493,762.84
  5. Step 5: Solve for x
    x = 58,708,997,493,762.84/8,736,658.80
  6. Step 6: Final answer
    x = 6,719,845.52

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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.