Home / 8,681,139.70-13,018,023.15-4,194,790.90

Finding the Fourth Proportional to 8,681,139.70, 13,018,023.15 and 4,194,790.90

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Solution

The fourth proportional to 8,681,139.70, 13,018,023.15 and 4,194,790.90 is: 6,290,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,139.70 : 13,018,023.15 = 4,194,790.90 : x
  2. Step 2: Convert to fraction form
    8,681,139.70/13,018,023.15 = 4,194,790.90/x
  3. Step 3: Cross multiply
    8,681,139.70x = 13,018,023.15 × 4,194,790.90
  4. Step 4: Simplify right side
    8,681,139.70x = 54,607,885,045,609.34
  5. Step 5: Solve for x
    x = 54,607,885,045,609.34/8,681,139.70
  6. Step 6: Final answer
    x = 6,290,405.05

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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.