Home / 19,408,075.20-29,112,112.80-11,849,803.20

Finding the Fourth Proportional to 19,408,075.20, 29,112,112.80 and 11,849,803.20

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Solution

The fourth proportional to 19,408,075.20, 29,112,112.80 and 11,849,803.20 is: 17,774,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408,075.20 : 29,112,112.80 = 11,849,803.20 : x
  2. Step 2: Convert to fraction form
    19,408,075.20/29,112,112.80 = 11,849,803.20/x
  3. Step 3: Cross multiply
    19,408,075.20x = 29,112,112.80 × 11,849,803.20
  4. Step 4: Simplify right side
    19,408,075.20x = 344,972,807,416,200.94
  5. Step 5: Solve for x
    x = 344,972,807,416,200.94/19,408,075.20
  6. Step 6: Final answer
    x = 17,774,704.80

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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.