Home / 28,585,615.73-39,448,074.74-15,532,875.18

Finding the Fourth Proportional to 28,585,615.73, 39,448,074.74 and 15,532,875.18

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Solution

The fourth proportional to 28,585,615.73, 39,448,074.74 and 15,532,875.18 is: 21,435,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,615.73 : 39,448,074.74 = 15,532,875.18 : x
  2. Step 2: Convert to fraction form
    28,585,615.73/39,448,074.74 = 15,532,875.18/x
  3. Step 3: Cross multiply
    28,585,615.73x = 39,448,074.74 × 15,532,875.18
  4. Step 4: Simplify right side
    28,585,615.73x = 612,742,020,950,066.50
  5. Step 5: Solve for x
    x = 612,742,020,950,066.50/28,585,615.73
  6. Step 6: Final answer
    x = 21,435,327.01

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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.