Home / 8,018,543.60-12,028,981.80-2,626,276.40

Finding the Fourth Proportional to 8,018,543.60, 12,028,981.80 and 2,626,276.40

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Solution

The fourth proportional to 8,018,543.60, 12,028,981.80 and 2,626,276.40 is: 3,939,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018,543.60 : 12,028,981.80 = 2,626,276.40 : x
  2. Step 2: Convert to fraction form
    8,018,543.60/12,028,981.80 = 2,626,276.40/x
  3. Step 3: Cross multiply
    8,018,543.60x = 12,028,981.80 × 2,626,276.40
  4. Step 4: Simplify right side
    8,018,543.60x = 31,591,431,017,369.52
  5. Step 5: Solve for x
    x = 31,591,431,017,369.52/8,018,543.60
  6. Step 6: Final answer
    x = 3,939,796.63

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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.