Home / 18,783,931.60-28,210,111.80-16,432,469.20

Finding the Fourth Proportional to 18,783,931.60, 28,210,111.80 and 16,432,469.20

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Solution

The fourth proportional to 18,783,931.60, 28,210,111.80 and 16,432,469.20 is: 24,678,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783,931.60 : 28,210,111.80 = 16,432,469.20 : x
  2. Step 2: Convert to fraction form
    18,783,931.60/28,210,111.80 = 16,432,469.20/x
  3. Step 3: Cross multiply
    18,783,931.60x = 28,210,111.80 × 16,432,469.20
  4. Step 4: Simplify right side
    18,783,931.60x = 463,561,793,282,056.56
  5. Step 5: Solve for x
    x = 463,561,793,282,056.56/18,783,931.60
  6. Step 6: Final answer
    x = 24,678,635.08

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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.