Home / 20,139,613.95-30,209,420.93-6,676,441.95

Finding the Fourth Proportional to 20,139,613.95, 30,209,420.93 and 6,676,441.95

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Solution

The fourth proportional to 20,139,613.95, 30,209,420.93 and 6,676,441.95 is: 10,014,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,613.95 : 30,209,420.93 = 6,676,441.95 : x
  2. Step 2: Convert to fraction form
    20,139,613.95/30,209,420.93 = 6,676,441.95/x
  3. Step 3: Cross multiply
    20,139,613.95x = 30,209,420.93 × 6,676,441.95
  4. Step 4: Simplify right side
    20,139,613.95x = 201,691,445,148,877.81
  5. Step 5: Solve for x
    x = 201,691,445,148,877.81/20,139,613.95
  6. Step 6: Final answer
    x = 10,014,662.93

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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.