Home / 20,493,257.10-30,720,968.70-10,249,202.70

Finding the Fourth Proportional to 20,493,257.10, 30,720,968.70 and 10,249,202.70

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Solution

The fourth proportional to 20,493,257.10, 30,720,968.70 and 10,249,202.70 is: 15,364,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,257.10 : 30,720,968.70 = 10,249,202.70 : x
  2. Step 2: Convert to fraction form
    20,493,257.10/30,720,968.70 = 10,249,202.70/x
  3. Step 3: Cross multiply
    20,493,257.10x = 30,720,968.70 × 10,249,202.70
  4. Step 4: Simplify right side
    20,493,257.10x = 314,865,435,346,655.44
  5. Step 5: Solve for x
    x = 314,865,435,346,655.44/20,493,257.10
  6. Step 6: Final answer
    x = 15,364,343.20

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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.