Home / 14,303,336.40-21,438,415.80-5,778,075.60

Finding the Fourth Proportional to 14,303,336.40, 21,438,415.80 and 5,778,075.60

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Solution

The fourth proportional to 14,303,336.40, 21,438,415.80 and 5,778,075.60 is: 8,660,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303,336.40 : 21,438,415.80 = 5,778,075.60 : x
  2. Step 2: Convert to fraction form
    14,303,336.40/21,438,415.80 = 5,778,075.60/x
  3. Step 3: Cross multiply
    14,303,336.40x = 21,438,415.80 × 5,778,075.60
  4. Step 4: Simplify right side
    14,303,336.40x = 123,872,787,236,634.47
  5. Step 5: Solve for x
    x = 123,872,787,236,634.47/14,303,336.40
  6. Step 6: Final answer
    x = 8,660,412.07

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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.