Home / 11,103,938.60-16,655,907.90-8,581,404.20

Finding the Fourth Proportional to 11,103,938.60, 16,655,907.90 and 8,581,404.20

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Solution

The fourth proportional to 11,103,938.60, 16,655,907.90 and 8,581,404.20 is: 12,872,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103,938.60 : 16,655,907.90 = 8,581,404.20 : x
  2. Step 2: Convert to fraction form
    11,103,938.60/16,655,907.90 = 8,581,404.20/x
  3. Step 3: Cross multiply
    11,103,938.60x = 16,655,907.90 × 8,581,404.20
  4. Step 4: Simplify right side
    11,103,938.60x = 142,931,078,007,873.16
  5. Step 5: Solve for x
    x = 142,931,078,007,873.16/11,103,938.60
  6. Step 6: Final answer
    x = 12,872,106.30

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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.