Home / 12,075,357.98-18,067,330.54-7,154,032.85

Finding the Fourth Proportional to 12,075,357.98, 18,067,330.54 and 7,154,032.85

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Solution

The fourth proportional to 12,075,357.98, 18,067,330.54 and 7,154,032.85 is: 10,703,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,357.98 : 18,067,330.54 = 7,154,032.85 : x
  2. Step 2: Convert to fraction form
    12,075,357.98/18,067,330.54 = 7,154,032.85/x
  3. Step 3: Cross multiply
    12,075,357.98x = 18,067,330.54 × 7,154,032.85
  4. Step 4: Simplify right side
    12,075,357.98x = 129,254,276,194,968.22
  5. Step 5: Solve for x
    x = 129,254,276,194,968.22/12,075,357.98
  6. Step 6: Final answer
    x = 10,703,970.55

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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.