Home / 8,103,389.80-12,156,927.90-4,735,863.40

Finding the Fourth Proportional to 8,103,389.80, 12,156,927.90 and 4,735,863.40

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Solution

The fourth proportional to 8,103,389.80, 12,156,927.90 and 4,735,863.40 is: 7,104,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,389.80 : 12,156,927.90 = 4,735,863.40 : x
  2. Step 2: Convert to fraction form
    8,103,389.80/12,156,927.90 = 4,735,863.40/x
  3. Step 3: Cross multiply
    8,103,389.80x = 12,156,927.90 × 4,735,863.40
  4. Step 4: Simplify right side
    8,103,389.80x = 57,573,549,898,048.87
  5. Step 5: Solve for x
    x = 57,573,549,898,048.87/8,103,389.80
  6. Step 6: Final answer
    x = 7,104,872.32

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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.