Home / 7,345,852.80-11,018,779.20-3,986,620.80

Finding the Fourth Proportional to 7,345,852.80, 11,018,779.20 and 3,986,620.80

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Solution

The fourth proportional to 7,345,852.80, 11,018,779.20 and 3,986,620.80 is: 5,979,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,852.80 : 11,018,779.20 = 3,986,620.80 : x
  2. Step 2: Convert to fraction form
    7,345,852.80/11,018,779.20 = 3,986,620.80/x
  3. Step 3: Cross multiply
    7,345,852.80x = 11,018,779.20 × 3,986,620.80
  4. Step 4: Simplify right side
    7,345,852.80x = 43,927,694,349,327.35
  5. Step 5: Solve for x
    x = 43,927,694,349,327.35/7,345,852.80
  6. Step 6: Final answer
    x = 5,979,931.20

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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.