Home / 8,306,272.40-12,457,075.80-2,628,237.20

Finding the Fourth Proportional to 8,306,272.40, 12,457,075.80 and 2,628,237.20

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Solution

The fourth proportional to 8,306,272.40, 12,457,075.80 and 2,628,237.20 is: 3,941,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,272.40 : 12,457,075.80 = 2,628,237.20 : x
  2. Step 2: Convert to fraction form
    8,306,272.40/12,457,075.80 = 2,628,237.20/x
  3. Step 3: Cross multiply
    8,306,272.40x = 12,457,075.80 × 2,628,237.20
  4. Step 4: Simplify right side
    8,306,272.40x = 32,740,150,020,779.77
  5. Step 5: Solve for x
    x = 32,740,150,020,779.77/8,306,272.40
  6. Step 6: Final answer
    x = 3,941,617.66

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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.