Home / 19,008,087.40-28,512,131.10-10,505,031.40

Finding the Fourth Proportional to 19,008,087.40, 28,512,131.10 and 10,505,031.40

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Solution

The fourth proportional to 19,008,087.40, 28,512,131.10 and 10,505,031.40 is: 15,757,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,087.40 : 28,512,131.10 = 10,505,031.40 : x
  2. Step 2: Convert to fraction form
    19,008,087.40/28,512,131.10 = 10,505,031.40/x
  3. Step 3: Cross multiply
    19,008,087.40x = 28,512,131.10 × 10,505,031.40
  4. Step 4: Simplify right side
    19,008,087.40x = 299,520,832,486,416.56
  5. Step 5: Solve for x
    x = 299,520,832,486,416.56/19,008,087.40
  6. Step 6: Final answer
    x = 15,757,547.10

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1.5x scale

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.