Home / 18,688,009.40-28,032,014.10-16,373,871.80

Finding the Fourth Proportional to 18,688,009.40, 28,032,014.10 and 16,373,871.80

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Solution

The fourth proportional to 18,688,009.40, 28,032,014.10 and 16,373,871.80 is: 24,560,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688,009.40 : 28,032,014.10 = 16,373,871.80 : x
  2. Step 2: Convert to fraction form
    18,688,009.40/28,032,014.10 = 16,373,871.80/x
  3. Step 3: Cross multiply
    18,688,009.40x = 28,032,014.10 × 16,373,871.80
  4. Step 4: Simplify right side
    18,688,009.40x = 458,992,605,169,192.44
  5. Step 5: Solve for x
    x = 458,992,605,169,192.44/18,688,009.40
  6. Step 6: Final answer
    x = 24,560,807.70

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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.