Home / 21,046,364.34-31,570,431.03-10,272,726.87

Finding the Fourth Proportional to 21,046,364.34, 31,570,431.03 and 10,272,726.87

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Solution

The fourth proportional to 21,046,364.34, 31,570,431.03 and 10,272,726.87 is: 15,409,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046,364.34 : 31,570,431.03 = 10,272,726.87 : x
  2. Step 2: Convert to fraction form
    21,046,364.34/31,570,431.03 = 10,272,726.87/x
  3. Step 3: Cross multiply
    21,046,364.34x = 31,570,431.03 × 10,272,726.87
  4. Step 4: Simplify right side
    21,046,364.34x = 324,314,415,139,362.75
  5. Step 5: Solve for x
    x = 324,314,415,139,362.75/21,046,364.34
  6. Step 6: Final answer
    x = 15,409,522.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.