Home / 8,681,156.70-13,018,048.65-4,194,807.90

Finding the Fourth Proportional to 8,681,156.70, 13,018,048.65 and 4,194,807.90

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Solution

The fourth proportional to 8,681,156.70, 13,018,048.65 and 4,194,807.90 is: 6,290,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,156.70 : 13,018,048.65 = 4,194,807.90 : x
  2. Step 2: Convert to fraction form
    8,681,156.70/13,018,048.65 = 4,194,807.90/x
  3. Step 3: Cross multiply
    8,681,156.70x = 13,018,048.65 × 4,194,807.90
  4. Step 4: Simplify right side
    8,681,156.70x = 54,608,213,319,604.34
  5. Step 5: Solve for x
    x = 54,608,213,319,604.34/8,681,156.70
  6. Step 6: Final answer
    x = 6,290,430.55

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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.