Home / 28,733,599.70-39,653,207.45-15,681,696.28

Finding the Fourth Proportional to 28,733,599.70, 39,653,207.45 and 15,681,696.28

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Solution

The fourth proportional to 28,733,599.70, 39,653,207.45 and 15,681,696.28 is: 21,641,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,599.70 : 39,653,207.45 = 15,681,696.28 : x
  2. Step 2: Convert to fraction form
    28,733,599.70/39,653,207.45 = 15,681,696.28/x
  3. Step 3: Cross multiply
    28,733,599.70x = 39,653,207.45 × 15,681,696.28
  4. Step 4: Simplify right side
    28,733,599.70x = 621,829,555,758,733.25
  5. Step 5: Solve for x
    x = 621,829,555,758,733.25/28,733,599.70
  6. Step 6: Final answer
    x = 21,641,199.23

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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.