Home / 21,042,854,022.48-29,038,907,210.16-11,397,344,046.36

Finding the Fourth Proportional to 21,042,854,022.48, 29,038,907,210.16 and 11,397,344,046.36

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Solution

The fourth proportional to 21,042,854,022.48, 29,038,907,210.16 and 11,397,344,046.36 is: 15,728,209,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042,854,022.48 : 29,038,907,210.16 = 11,397,344,046.36 : x
  2. Step 2: Convert to fraction form
    21,042,854,022.48/29,038,907,210.16 = 11,397,344,046.36/x
  3. Step 3: Cross multiply
    21,042,854,022.48x = 29,038,907,210.16 × 11,397,344,046.36
  4. Step 4: Simplify right side
    21,042,854,022.48x = 330,966,416,204,453,249,024
  5. Step 5: Solve for x
    x = 330,966,416,204,453,249,024/21,042,854,022.48
  6. Step 6: Final answer
    x = 15,728,209,483.89

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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.