Home / 28,865,783.19-39,834,463.33-15,634,630.94

Finding the Fourth Proportional to 28,865,783.19, 39,834,463.33 and 15,634,630.94

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Solution

The fourth proportional to 28,865,783.19, 39,834,463.33 and 15,634,630.94 is: 21,575,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,783.19 : 39,834,463.33 = 15,634,630.94 : x
  2. Step 2: Convert to fraction form
    28,865,783.19/39,834,463.33 = 15,634,630.94/x
  3. Step 3: Cross multiply
    28,865,783.19x = 39,834,463.33 × 15,634,630.94
  4. Step 4: Simplify right side
    28,865,783.19x = 622,797,132,677,884.38
  5. Step 5: Solve for x
    x = 622,797,132,677,884.38/28,865,783.19
  6. Step 6: Final answer
    x = 21,575,618.74

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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.