Home / 28,585,075.83-39,447,318.55-15,532,374.57

Finding the Fourth Proportional to 28,585,075.83, 39,447,318.55 and 15,532,374.57

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Solution

The fourth proportional to 28,585,075.83, 39,447,318.55 and 15,532,374.57 is: 21,434,630.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,075.83 : 39,447,318.55 = 15,532,374.57 : x
  2. Step 2: Convert to fraction form
    28,585,075.83/39,447,318.55 = 15,532,374.57/x
  3. Step 3: Cross multiply
    28,585,075.83x = 39,447,318.55 × 15,532,374.57
  4. Step 4: Simplify right side
    28,585,075.83x = 612,710,527,500,709.25
  5. Step 5: Solve for x
    x = 612,710,527,500,709.25/28,585,075.83
  6. Step 6: Final answer
    x = 21,434,630.12

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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.