Home / 14,698,531.45-20,285,109.60-8,818,386.93

Finding the Fourth Proportional to 14,698,531.45, 20,285,109.60 and 8,818,386.93

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Solution

The fourth proportional to 14,698,531.45, 20,285,109.60 and 8,818,386.93 is: 12,170,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,698,531.45 : 20,285,109.60 = 8,818,386.93 : x
  2. Step 2: Convert to fraction form
    14,698,531.45/20,285,109.60 = 8,818,386.93/x
  3. Step 3: Cross multiply
    14,698,531.45x = 20,285,109.60 × 8,818,386.93
  4. Step 4: Simplify right side
    14,698,531.45x = 178,881,945,268,832
  5. Step 5: Solve for x
    x = 178,881,945,268,832/14,698,531.45
  6. Step 6: Final answer
    x = 12,170,055.62

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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.