Home / 15,323,554.16-21,145,867.44-8,354,080.88

Finding the Fourth Proportional to 15,323,554.16, 21,145,867.44 and 8,354,080.88

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Solution

The fourth proportional to 15,323,554.16, 21,145,867.44 and 8,354,080.88 is: 11,528,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323,554.16 : 21,145,867.44 = 8,354,080.88 : x
  2. Step 2: Convert to fraction form
    15,323,554.16/21,145,867.44 = 8,354,080.88/x
  3. Step 3: Cross multiply
    15,323,554.16x = 21,145,867.44 × 8,354,080.88
  4. Step 4: Simplify right side
    15,323,554.16x = 176,654,286,871,518.56
  5. Step 5: Solve for x
    x = 176,654,286,871,518.56/15,323,554.16
  6. Step 6: Final answer
    x = 11,528,284.17

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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.