Home / 18,719,237.25-28,075,304.84-9,124,966.53

Finding the Fourth Proportional to 18,719,237.25, 28,075,304.84 and 9,124,966.53

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Solution

The fourth proportional to 18,719,237.25, 28,075,304.84 and 9,124,966.53 is: 13,685,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,237.25 : 28,075,304.84 = 9,124,966.53 : x
  2. Step 2: Convert to fraction form
    18,719,237.25/28,075,304.84 = 9,124,966.53/x
  3. Step 3: Cross multiply
    18,719,237.25x = 28,075,304.84 × 9,124,966.53
  4. Step 4: Simplify right side
    18,719,237.25x = 256,186,216,938,922.16
  5. Step 5: Solve for x
    x = 256,186,216,938,922.16/18,719,237.25
  6. Step 6: Final answer
    x = 13,685,718.79

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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.