Home / 21,331,225.71-29,436,881.63-11,541,455.01

Finding the Fourth Proportional to 21,331,225.71, 29,436,881.63 and 11,541,455.01

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Solution

The fourth proportional to 21,331,225.71, 29,436,881.63 and 11,541,455.01 is: 15,927,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331,225.71 : 29,436,881.63 = 11,541,455.01 : x
  2. Step 2: Convert to fraction form
    21,331,225.71/29,436,881.63 = 11,541,455.01/x
  3. Step 3: Cross multiply
    21,331,225.71x = 29,436,881.63 × 11,541,455.01
  4. Step 4: Simplify right side
    21,331,225.71x = 339,744,444,909,633.19
  5. Step 5: Solve for x
    x = 339,744,444,909,633.19/21,331,225.71
  6. Step 6: Final answer
    x = 15,927,094.37

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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.