Home / 28,877,409-39,850,852.50-15,824,696.94

Finding the Fourth Proportional to 28,877,409, 39,850,852.50 and 15,824,696.94

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Solution

The fourth proportional to 28,877,409, 39,850,852.50 and 15,824,696.94 is: 21,838,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877,409 : 39,850,852.50 = 15,824,696.94 : x
  2. Step 2: Convert to fraction form
    28,877,409/39,850,852.50 = 15,824,696.94/x
  3. Step 3: Cross multiply
    28,877,409x = 39,850,852.50 × 15,824,696.94
  4. Step 4: Simplify right side
    28,877,409x = 630,627,663,613,141.38
  5. Step 5: Solve for x
    x = 630,627,663,613,141.38/28,877,409
  6. Step 6: Final answer
    x = 21,838,097.16

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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.