Home / 21,121,898.62-29,201,526.68-15,606,574.60

Finding the Fourth Proportional to 21,121,898.62, 29,201,526.68 and 15,606,574.60

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Solution

The fourth proportional to 21,121,898.62, 29,201,526.68 and 15,606,574.60 is: 21,576,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,121,898.62 : 29,201,526.68 = 15,606,574.60 : x
  2. Step 2: Convert to fraction form
    21,121,898.62/29,201,526.68 = 15,606,574.60/x
  3. Step 3: Cross multiply
    21,121,898.62x = 29,201,526.68 × 15,606,574.60
  4. Step 4: Simplify right side
    21,121,898.62x = 455,735,804,341,269.88
  5. Step 5: Solve for x
    x = 455,735,804,341,269.88/21,121,898.62
  6. Step 6: Final answer
    x = 21,576,460.18

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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.