Home / 19,152,670.78-26,431,322.80-10,451,320.72

Finding the Fourth Proportional to 19,152,670.78, 26,431,322.80 and 10,451,320.72

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Solution

The fourth proportional to 19,152,670.78, 26,431,322.80 and 10,451,320.72 is: 14,423,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,670.78 : 26,431,322.80 = 10,451,320.72 : x
  2. Step 2: Convert to fraction form
    19,152,670.78/26,431,322.80 = 10,451,320.72/x
  3. Step 3: Cross multiply
    19,152,670.78x = 26,431,322.80 × 10,451,320.72
  4. Step 4: Simplify right side
    19,152,670.78x = 276,242,231,636,648.44
  5. Step 5: Solve for x
    x = 276,242,231,636,648.44/19,152,670.78
  6. Step 6: Final answer
    x = 14,423,170.26

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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.