Home / 28,570,877.82-39,428,097.84-15,518,392.02

Finding the Fourth Proportional to 28,570,877.82, 39,428,097.84 and 15,518,392.02

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Solution

The fourth proportional to 28,570,877.82, 39,428,097.84 and 15,518,392.02 is: 21,415,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,570,877.82 : 39,428,097.84 = 15,518,392.02 : x
  2. Step 2: Convert to fraction form
    28,570,877.82/39,428,097.84 = 15,518,392.02/x
  3. Step 3: Cross multiply
    28,570,877.82x = 39,428,097.84 × 15,518,392.02
  4. Step 4: Simplify right side
    28,570,877.82x = 611,860,678,884,035.25
  5. Step 5: Solve for x
    x = 611,860,678,884,035.25/28,570,877.82
  6. Step 6: Final answer
    x = 21,415,536.57

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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.