Home / 21,908,661.10-32,865,980.85-9,126,176.45

Finding the Fourth Proportional to 21,908,661.10, 32,865,980.85 and 9,126,176.45

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Solution

The fourth proportional to 21,908,661.10, 32,865,980.85 and 9,126,176.45 is: 13,690,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,908,661.10 : 32,865,980.85 = 9,126,176.45 : x
  2. Step 2: Convert to fraction form
    21,908,661.10/32,865,980.85 = 9,126,176.45/x
  3. Step 3: Cross multiply
    21,908,661.10x = 32,865,980.85 × 9,126,176.45
  4. Step 4: Simplify right side
    21,908,661.10x = 299,940,740,275,091.12
  5. Step 5: Solve for x
    x = 299,940,740,275,091.12/21,908,661.10
  6. Step 6: Final answer
    x = 13,690,509.84

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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.