Home / 15,655,506.24-21,601,148.40-15,139,417.44

Finding the Fourth Proportional to 15,655,506.24, 21,601,148.40 and 15,139,417.44

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Solution

The fourth proportional to 15,655,506.24, 21,601,148.40 and 15,139,417.44 is: 20,889,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655,506.24 : 21,601,148.40 = 15,139,417.44 : x
  2. Step 2: Convert to fraction form
    15,655,506.24/21,601,148.40 = 15,139,417.44/x
  3. Step 3: Cross multiply
    15,655,506.24x = 21,601,148.40 × 15,139,417.44
  4. Step 4: Simplify right side
    15,655,506.24x = 327,028,802,810,988.06
  5. Step 5: Solve for x
    x = 327,028,802,810,988.06/15,655,506.24
  6. Step 6: Final answer
    x = 20,889,059.59

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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.