Home / 16,742,818.80-25,114,228.20-5,384,415.60

Finding the Fourth Proportional to 16,742,818.80, 25,114,228.20 and 5,384,415.60

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Solution

The fourth proportional to 16,742,818.80, 25,114,228.20 and 5,384,415.60 is: 8,076,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742,818.80 : 25,114,228.20 = 5,384,415.60 : x
  2. Step 2: Convert to fraction form
    16,742,818.80/25,114,228.20 = 5,384,415.60/x
  3. Step 3: Cross multiply
    16,742,818.80x = 25,114,228.20 × 5,384,415.60
  4. Step 4: Simplify right side
    16,742,818.80x = 135,225,442,102,039.91
  5. Step 5: Solve for x
    x = 135,225,442,102,039.91/16,742,818.80
  6. Step 6: Final answer
    x = 8,076,623.40

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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.