Home / 20,602,235.40-30,903,353.10-12,086,651.40

Finding the Fourth Proportional to 20,602,235.40, 30,903,353.10 and 12,086,651.40

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Solution

The fourth proportional to 20,602,235.40, 30,903,353.10 and 12,086,651.40 is: 18,129,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602,235.40 : 30,903,353.10 = 12,086,651.40 : x
  2. Step 2: Convert to fraction form
    20,602,235.40/30,903,353.10 = 12,086,651.40/x
  3. Step 3: Cross multiply
    20,602,235.40x = 30,903,353.10 × 12,086,651.40
  4. Step 4: Simplify right side
    20,602,235.40x = 373,518,056,010,809.38
  5. Step 5: Solve for x
    x = 373,518,056,010,809.38/20,602,235.40
  6. Step 6: Final answer
    x = 18,129,977.10

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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.