Home / 28,733,943.60-39,652,288.86-15,681,295.93

Finding the Fourth Proportional to 28,733,943.60, 39,652,288.86 and 15,681,295.93

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Solution

The fourth proportional to 28,733,943.60, 39,652,288.86 and 15,681,295.93 is: 21,639,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,943.60 : 39,652,288.86 = 15,681,295.93 : x
  2. Step 2: Convert to fraction form
    28,733,943.60/39,652,288.86 = 15,681,295.93/x
  3. Step 3: Cross multiply
    28,733,943.60x = 39,652,288.86 × 15,681,295.93
  4. Step 4: Simplify right side
    28,733,943.60x = 621,799,275,984,498.75
  5. Step 5: Solve for x
    x = 621,799,275,984,498.75/28,733,943.60
  6. Step 6: Final answer
    x = 21,639,886.42

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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.