Home / 18,949,676.16-28,437,128.67-10,315,956.02

Finding the Fourth Proportional to 18,949,676.16, 28,437,128.67 and 10,315,956.02

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Solution

The fourth proportional to 18,949,676.16, 28,437,128.67 and 10,315,956.02 is: 15,480,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949,676.16 : 28,437,128.67 = 10,315,956.02 : x
  2. Step 2: Convert to fraction form
    18,949,676.16/28,437,128.67 = 10,315,956.02/x
  3. Step 3: Cross multiply
    18,949,676.16x = 28,437,128.67 × 10,315,956.02
  4. Step 4: Simplify right side
    18,949,676.16x = 293,356,168,552,615.50
  5. Step 5: Solve for x
    x = 293,356,168,552,615.50/18,949,676.16
  6. Step 6: Final answer
    x = 15,480,801.15

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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.