Home / 28,998,199.24-40,016,145-15,946,008.28

Finding the Fourth Proportional to 28,998,199.24, 40,016,145 and 15,946,008.28

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Solution

The fourth proportional to 28,998,199.24, 40,016,145 and 15,946,008.28 is: 22,004,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998,199.24 : 40,016,145 = 15,946,008.28 : x
  2. Step 2: Convert to fraction form
    28,998,199.24/40,016,145 = 15,946,008.28/x
  3. Step 3: Cross multiply
    28,998,199.24x = 40,016,145 × 15,946,008.28
  4. Step 4: Simplify right side
    28,998,199.24x = 638,097,779,503,680.62
  5. Step 5: Solve for x
    x = 638,097,779,503,680.62/28,998,199.24
  6. Step 6: Final answer
    x = 22,004,738.10

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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.