Home / 13,830,077.70-20,745,116.55-10,470,845.70

Finding the Fourth Proportional to 13,830,077.70, 20,745,116.55 and 10,470,845.70

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Solution

The fourth proportional to 13,830,077.70, 20,745,116.55 and 10,470,845.70 is: 15,706,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830,077.70 : 20,745,116.55 = 10,470,845.70 : x
  2. Step 2: Convert to fraction form
    13,830,077.70/20,745,116.55 = 10,470,845.70/x
  3. Step 3: Cross multiply
    13,830,077.70x = 20,745,116.55 × 10,470,845.70
  4. Step 4: Simplify right side
    13,830,077.70x = 217,218,914,423,566.31
  5. Step 5: Solve for x
    x = 217,218,914,423,566.31/13,830,077.70
  6. Step 6: Final answer
    x = 15,706,268.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.