Home / 28,670,168.75-39,564,886.52-17,068,133.75

Finding the Fourth Proportional to 28,670,168.75, 39,564,886.52 and 17,068,133.75

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Solution

The fourth proportional to 28,670,168.75, 39,564,886.52 and 17,068,133.75 is: 23,554,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670,168.75 : 39,564,886.52 = 17,068,133.75 : x
  2. Step 2: Convert to fraction form
    28,670,168.75/39,564,886.52 = 17,068,133.75/x
  3. Step 3: Cross multiply
    28,670,168.75x = 39,564,886.52 × 17,068,133.75
  4. Step 4: Simplify right side
    28,670,168.75x = 675,298,774,771,778
  5. Step 5: Solve for x
    x = 675,298,774,771,778/28,670,168.75
  6. Step 6: Final answer
    x = 23,554,056.51

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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.