Home / 38,575,912-53,237,252-21,406,504

Finding the Fourth Proportional to 38,575,912, 53,237,252 and 21,406,504

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Solution

The fourth proportional to 38,575,912, 53,237,252 and 21,406,504 is: 29,542,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575,912 : 53,237,252 = 21,406,504 : x
  2. Step 2: Convert to fraction form
    38,575,912/53,237,252 = 21,406,504/x
  3. Step 3: Cross multiply
    38,575,912x = 53,237,252 × 21,406,504
  4. Step 4: Simplify right side
    38,575,912x = 1,139,623,447,887,008
  5. Step 5: Solve for x
    x = 1,139,623,447,887,008/38,575,912
  6. Step 6: Final answer
    x = 29,542,359.18

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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.