Home / 38,885,876.80-58,315,307.64-21,640,395.04

Finding the Fourth Proportional to 38,885,876.80, 58,315,307.64 and 21,640,395.04

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Solution

The fourth proportional to 38,885,876.80, 58,315,307.64 and 21,640,395.04 is: 32,453,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,885,876.80 : 58,315,307.64 = 21,640,395.04 : x
  2. Step 2: Convert to fraction form
    38,885,876.80/58,315,307.64 = 21,640,395.04/x
  3. Step 3: Cross multiply
    38,885,876.80x = 58,315,307.64 × 21,640,395.04
  4. Step 4: Simplify right side
    38,885,876.80x = 1,261,966,294,208,730
  5. Step 5: Solve for x
    x = 1,261,966,294,208,730/38,885,876.80
  6. Step 6: Final answer
    x = 32,453,075.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.