Home / 19,070,143.20-26,310,844.08-10,919,881.44

Finding the Fourth Proportional to 19,070,143.20, 26,310,844.08 and 10,919,881.44

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Solution

The fourth proportional to 19,070,143.20, 26,310,844.08 and 10,919,881.44 is: 15,066,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070,143.20 : 26,310,844.08 = 10,919,881.44 : x
  2. Step 2: Convert to fraction form
    19,070,143.20/26,310,844.08 = 10,919,881.44/x
  3. Step 3: Cross multiply
    19,070,143.20x = 26,310,844.08 × 10,919,881.44
  4. Step 4: Simplify right side
    19,070,143.20x = 287,311,297,939,925.81
  5. Step 5: Solve for x
    x = 287,311,297,939,925.81/19,070,143.20
  6. Step 6: Final answer
    x = 15,066,027.29

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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.