Home / 8,307,218.40-12,460,827.60-3,520,312.80

Finding the Fourth Proportional to 8,307,218.40, 12,460,827.60 and 3,520,312.80

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Solution

The fourth proportional to 8,307,218.40, 12,460,827.60 and 3,520,312.80 is: 5,280,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307,218.40 : 12,460,827.60 = 3,520,312.80 : x
  2. Step 2: Convert to fraction form
    8,307,218.40/12,460,827.60 = 3,520,312.80/x
  3. Step 3: Cross multiply
    8,307,218.40x = 12,460,827.60 × 3,520,312.80
  4. Step 4: Simplify right side
    8,307,218.40x = 43,866,010,898,873.27
  5. Step 5: Solve for x
    x = 43,866,010,898,873.27/8,307,218.40
  6. Step 6: Final answer
    x = 5,280,469.20

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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.