Home / 13,787,570.56-19,021,922.40-7,983,184

Finding the Fourth Proportional to 13,787,570.56, 19,021,922.40 and 7,983,184

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Solution

The fourth proportional to 13,787,570.56, 19,021,922.40 and 7,983,184 is: 11,013,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,570.56 : 19,021,922.40 = 7,983,184 : x
  2. Step 2: Convert to fraction form
    13,787,570.56/19,021,922.40 = 7,983,184/x
  3. Step 3: Cross multiply
    13,787,570.56x = 19,021,922.40 × 7,983,184
  4. Step 4: Simplify right side
    13,787,570.56x = 151,855,506,552,921.59
  5. Step 5: Solve for x
    x = 151,855,506,552,921.59/13,787,570.56
  6. Step 6: Final answer
    x = 11,013,942.30

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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.