Home / 20,180,938.68-30,280,855.98-8,819,911.08

Finding the Fourth Proportional to 20,180,938.68, 30,280,855.98 and 8,819,911.08

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Solution

The fourth proportional to 20,180,938.68, 30,280,855.98 and 8,819,911.08 is: 13,233,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,938.68 : 30,280,855.98 = 8,819,911.08 : x
  2. Step 2: Convert to fraction form
    20,180,938.68/30,280,855.98 = 8,819,911.08/x
  3. Step 3: Cross multiply
    20,180,938.68x = 30,280,855.98 × 8,819,911.08
  4. Step 4: Simplify right side
    20,180,938.68x = 267,074,457,169,886.25
  5. Step 5: Solve for x
    x = 267,074,457,169,886.25/20,180,938.68
  6. Step 6: Final answer
    x = 13,233,995.77

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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.