Home / 8,199,276.10-12,298,914.15-5,220,664.90

Finding the Fourth Proportional to 8,199,276.10, 12,298,914.15 and 5,220,664.90

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Solution

The fourth proportional to 8,199,276.10, 12,298,914.15 and 5,220,664.90 is: 7,830,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,276.10 : 12,298,914.15 = 5,220,664.90 : x
  2. Step 2: Convert to fraction form
    8,199,276.10/12,298,914.15 = 5,220,664.90/x
  3. Step 3: Cross multiply
    8,199,276.10x = 12,298,914.15 × 5,220,664.90
  4. Step 4: Simplify right side
    8,199,276.10x = 64,208,509,411,018.34
  5. Step 5: Solve for x
    x = 64,208,509,411,018.34/8,199,276.10
  6. Step 6: Final answer
    x = 7,830,997.35

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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.