Home / 18,784,308.60-28,210,677.30-16,432,846.20

Finding the Fourth Proportional to 18,784,308.60, 28,210,677.30 and 16,432,846.20

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Solution

The fourth proportional to 18,784,308.60, 28,210,677.30 and 16,432,846.20 is: 24,679,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,308.60 : 28,210,677.30 = 16,432,846.20 : x
  2. Step 2: Convert to fraction form
    18,784,308.60/28,210,677.30 = 16,432,846.20/x
  3. Step 3: Cross multiply
    18,784,308.60x = 28,210,677.30 × 16,432,846.20
  4. Step 4: Simplify right side
    18,784,308.60x = 463,581,721,268,731.25
  5. Step 5: Solve for x
    x = 463,581,721,268,731.25/18,784,308.60
  6. Step 6: Final answer
    x = 24,679,200.66

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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.