Home / 13,643,075.49-18,825,657.41-8,137,096.55

Finding the Fourth Proportional to 13,643,075.49, 18,825,657.41 and 8,137,096.55

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Solution

The fourth proportional to 13,643,075.49, 18,825,657.41 and 8,137,096.55 is: 11,228,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,075.49 : 18,825,657.41 = 8,137,096.55 : x
  2. Step 2: Convert to fraction form
    13,643,075.49/18,825,657.41 = 8,137,096.55/x
  3. Step 3: Cross multiply
    13,643,075.49x = 18,825,657.41 × 8,137,096.55
  4. Step 4: Simplify right side
    13,643,075.49x = 153,186,191,827,579.19
  5. Step 5: Solve for x
    x = 153,186,191,827,579.19/13,643,075.49
  6. Step 6: Final answer
    x = 11,228,127.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.