Home / 20,844,054.80-31,294,075.80-13,304,445.20

Finding the Fourth Proportional to 20,844,054.80, 31,294,075.80 and 13,304,445.20

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Solution

The fourth proportional to 20,844,054.80, 31,294,075.80 and 13,304,445.20 is: 19,974,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844,054.80 : 31,294,075.80 = 13,304,445.20 : x
  2. Step 2: Convert to fraction form
    20,844,054.80/31,294,075.80 = 13,304,445.20/x
  3. Step 3: Cross multiply
    20,844,054.80x = 31,294,075.80 × 13,304,445.20
  4. Step 4: Simplify right side
    20,844,054.80x = 416,350,316,565,746.12
  5. Step 5: Solve for x
    x = 416,350,316,565,746.12/20,844,054.80
  6. Step 6: Final answer
    x = 19,974,535.69

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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.