Home / 15,716,567,531.31-21,688,752,859.48-8,579,981,343.12

Finding the Fourth Proportional to 15,716,567,531.31, 21,688,752,859.48 and 8,579,981,343.12

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Solution

The fourth proportional to 15,716,567,531.31, 21,688,752,859.48 and 8,579,981,343.12 is: 11,840,314,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716,567,531.31 : 21,688,752,859.48 = 8,579,981,343.12 : x
  2. Step 2: Convert to fraction form
    15,716,567,531.31/21,688,752,859.48 = 8,579,981,343.12/x
  3. Step 3: Cross multiply
    15,716,567,531.31x = 21,688,752,859.48 × 8,579,981,343.12
  4. Step 4: Simplify right side
    15,716,567,531.31x = 186,089,094,889,878,945,792
  5. Step 5: Solve for x
    x = 186,089,094,889,878,945,792/15,716,567,531.31
  6. Step 6: Final answer
    x = 11,840,314,020.17

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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.