Home / 39,304,971.45-54,240,133.98-21,423,345.93

Finding the Fourth Proportional to 39,304,971.45, 54,240,133.98 and 21,423,345.93

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Solution

The fourth proportional to 39,304,971.45, 54,240,133.98 and 21,423,345.93 is: 29,563,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,304,971.45 : 54,240,133.98 = 21,423,345.93 : x
  2. Step 2: Convert to fraction form
    39,304,971.45/54,240,133.98 = 21,423,345.93/x
  3. Step 3: Cross multiply
    39,304,971.45x = 54,240,133.98 × 21,423,345.93
  4. Step 4: Simplify right side
    39,304,971.45x = 1,162,005,153,543,087.50
  5. Step 5: Solve for x
    x = 1,162,005,153,543,087.50/39,304,971.45
  6. Step 6: Final answer
    x = 29,563,821.34

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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.