Home / 38,540,901-53,186,443.74-21,371,493

Finding the Fourth Proportional to 38,540,901, 53,186,443.74 and 21,371,493

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Solution

The fourth proportional to 38,540,901, 53,186,443.74 and 21,371,493 is: 29,492,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,540,901 : 53,186,443.74 = 21,371,493 : x
  2. Step 2: Convert to fraction form
    38,540,901/53,186,443.74 = 21,371,493/x
  3. Step 3: Cross multiply
    38,540,901x = 53,186,443.74 × 21,371,493
  4. Step 4: Simplify right side
    38,540,901x = 1,136,673,710,084,303.75
  5. Step 5: Solve for x
    x = 1,136,673,710,084,303.75/38,540,901
  6. Step 6: Final answer
    x = 29,492,660.54

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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.