Home / 38,461,521.98-53,074,797.81-21,054,499.94

Finding the Fourth Proportional to 38,461,521.98, 53,074,797.81 and 21,054,499.94

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Solution

The fourth proportional to 38,461,521.98, 53,074,797.81 and 21,054,499.94 is: 29,054,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461,521.98 : 53,074,797.81 = 21,054,499.94 : x
  2. Step 2: Convert to fraction form
    38,461,521.98/53,074,797.81 = 21,054,499.94/x
  3. Step 3: Cross multiply
    38,461,521.98x = 53,074,797.81 × 21,054,499.94
  4. Step 4: Simplify right side
    38,461,521.98x = 1,117,463,327,107,126.75
  5. Step 5: Solve for x
    x = 1,117,463,327,107,126.75/38,461,521.98
  6. Step 6: Final answer
    x = 29,054,058.96

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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.