Home / 8,018,942.40-12,026,080.80-4,426,430.40

Finding the Fourth Proportional to 8,018,942.40, 12,026,080.80 and 4,426,430.40

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Solution

The fourth proportional to 8,018,942.40, 12,026,080.80 and 4,426,430.40 is: 6,638,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018,942.40 : 12,026,080.80 = 4,426,430.40 : x
  2. Step 2: Convert to fraction form
    8,018,942.40/12,026,080.80 = 4,426,430.40/x
  3. Step 3: Cross multiply
    8,018,942.40x = 12,026,080.80 × 4,426,430.40
  4. Step 4: Simplify right side
    8,018,942.40x = 53,232,609,645,976.33
  5. Step 5: Solve for x
    x = 53,232,609,645,976.33/8,018,942.40
  6. Step 6: Final answer
    x = 6,638,357.90

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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.