Home / 13,428,075.47-20,146,043.66-4,329,990.08

Finding the Fourth Proportional to 13,428,075.47, 20,146,043.66 and 4,329,990.08

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Solution

The fourth proportional to 13,428,075.47, 20,146,043.66 and 4,329,990.08 is: 6,496,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,075.47 : 20,146,043.66 = 4,329,990.08 : x
  2. Step 2: Convert to fraction form
    13,428,075.47/20,146,043.66 = 4,329,990.08/x
  3. Step 3: Cross multiply
    13,428,075.47x = 20,146,043.66 × 4,329,990.08
  4. Step 4: Simplify right side
    13,428,075.47x = 87,232,169,199,046.89
  5. Step 5: Solve for x
    x = 87,232,169,199,046.89/13,428,075.47
  6. Step 6: Final answer
    x = 6,496,252.53

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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.