Home / 39,927,638.63-55,100,307.31-21,592,924.13

Finding the Fourth Proportional to 39,927,638.63, 55,100,307.31 and 21,592,924.13

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Solution

The fourth proportional to 39,927,638.63, 55,100,307.31 and 21,592,924.13 is: 29,798,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927,638.63 : 55,100,307.31 = 21,592,924.13 : x
  2. Step 2: Convert to fraction form
    39,927,638.63/55,100,307.31 = 21,592,924.13/x
  3. Step 3: Cross multiply
    39,927,638.63x = 55,100,307.31 × 21,592,924.13
  4. Step 4: Simplify right side
    39,927,638.63x = 1,189,776,755,368,282.75
  5. Step 5: Solve for x
    x = 1,189,776,755,368,282.75/39,927,638.63
  6. Step 6: Final answer
    x = 29,798,325.07

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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.