Home / 21,042,854,023.48-29,038,907,211.54-11,397,344,047.36

Finding the Fourth Proportional to 21,042,854,023.48, 29,038,907,211.54 and 11,397,344,047.36

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Solution

The fourth proportional to 21,042,854,023.48, 29,038,907,211.54 and 11,397,344,047.36 is: 15,728,209,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042,854,023.48 : 29,038,907,211.54 = 11,397,344,047.36 : x
  2. Step 2: Convert to fraction form
    21,042,854,023.48/29,038,907,211.54 = 11,397,344,047.36/x
  3. Step 3: Cross multiply
    21,042,854,023.48x = 29,038,907,211.54 × 11,397,344,047.36
  4. Step 4: Simplify right side
    21,042,854,023.48x = 330,966,416,249,284,853,760
  5. Step 5: Solve for x
    x = 330,966,416,249,284,853,760/21,042,854,023.48
  6. Step 6: Final answer
    x = 15,728,209,485.27

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1.5x scale

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.