Home / 19,375,819.76-29,075,173.24-7,078,690.16

Finding the Fourth Proportional to 19,375,819.76, 29,075,173.24 and 7,078,690.16

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Solution

The fourth proportional to 19,375,819.76, 29,075,173.24 and 7,078,690.16 is: 10,622,216.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375,819.76 : 29,075,173.24 = 7,078,690.16 : x
  2. Step 2: Convert to fraction form
    19,375,819.76/29,075,173.24 = 7,078,690.16/x
  3. Step 3: Cross multiply
    19,375,819.76x = 29,075,173.24 × 7,078,690.16
  4. Step 4: Simplify right side
    19,375,819.76x = 205,814,142,714,283.31
  5. Step 5: Solve for x
    x = 205,814,142,714,283.31/19,375,819.76
  6. Step 6: Final answer
    x = 10,622,216.00

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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.