Home / 11,103,942.10-16,655,913.15-8,581,407.70

Finding the Fourth Proportional to 11,103,942.10, 16,655,913.15 and 8,581,407.70

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Solution

The fourth proportional to 11,103,942.10, 16,655,913.15 and 8,581,407.70 is: 12,872,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103,942.10 : 16,655,913.15 = 8,581,407.70 : x
  2. Step 2: Convert to fraction form
    11,103,942.10/16,655,913.15 = 8,581,407.70/x
  3. Step 3: Cross multiply
    11,103,942.10x = 16,655,913.15 × 8,581,407.70
  4. Step 4: Simplify right side
    11,103,942.10x = 142,931,181,355,941.25
  5. Step 5: Solve for x
    x = 142,931,181,355,941.25/11,103,942.10
  6. Step 6: Final answer
    x = 12,872,111.55

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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.