Home / 12,711,986.40-19,075,352.40-4,734,616.80

Finding the Fourth Proportional to 12,711,986.40, 19,075,352.40 and 4,734,616.80

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Solution

The fourth proportional to 12,711,986.40, 19,075,352.40 and 4,734,616.80 is: 7,104,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,986.40 : 19,075,352.40 = 4,734,616.80 : x
  2. Step 2: Convert to fraction form
    12,711,986.40/19,075,352.40 = 4,734,616.80/x
  3. Step 3: Cross multiply
    12,711,986.40x = 19,075,352.40 × 4,734,616.80
  4. Step 4: Simplify right side
    12,711,986.40x = 90,314,483,938,960.31
  5. Step 5: Solve for x
    x = 90,314,483,938,960.31/12,711,986.40
  6. Step 6: Final answer
    x = 7,104,671.22

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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.