Home / 20,143,167.30-30,211,543.35-6,679,995.30

Finding the Fourth Proportional to 20,143,167.30, 30,211,543.35 and 6,679,995.30

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Solution

The fourth proportional to 20,143,167.30, 30,211,543.35 and 6,679,995.30 is: 10,018,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,167.30 : 30,211,543.35 = 6,679,995.30 : x
  2. Step 2: Convert to fraction form
    20,143,167.30/30,211,543.35 = 6,679,995.30/x
  3. Step 3: Cross multiply
    20,143,167.30x = 30,211,543.35 × 6,679,995.30
  4. Step 4: Simplify right side
    20,143,167.30x = 201,812,967,583,746.25
  5. Step 5: Solve for x
    x = 201,812,967,583,746.25/20,143,167.30
  6. Step 6: Final answer
    x = 10,018,929.23

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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.