Home / 38,440,406.72-53,047,726.69-21,698,670.96

Finding the Fourth Proportional to 38,440,406.72, 53,047,726.69 and 21,698,670.96

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Solution

The fourth proportional to 38,440,406.72, 53,047,726.69 and 21,698,670.96 is: 29,944,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440,406.72 : 53,047,726.69 = 21,698,670.96 : x
  2. Step 2: Convert to fraction form
    38,440,406.72/53,047,726.69 = 21,698,670.96/x
  3. Step 3: Cross multiply
    38,440,406.72x = 53,047,726.69 × 21,698,670.96
  4. Step 4: Simplify right side
    38,440,406.72x = 1,151,065,166,673,569.25
  5. Step 5: Solve for x
    x = 1,151,065,166,673,569.25/38,440,406.72
  6. Step 6: Final answer
    x = 29,944,146.40

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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.