Home / 18,742,765.80-28,114,148.70-5,964,562.20

Finding the Fourth Proportional to 18,742,765.80, 28,114,148.70 and 5,964,562.20

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Solution

The fourth proportional to 18,742,765.80, 28,114,148.70 and 5,964,562.20 is: 8,946,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742,765.80 : 28,114,148.70 = 5,964,562.20 : x
  2. Step 2: Convert to fraction form
    18,742,765.80/28,114,148.70 = 5,964,562.20/x
  3. Step 3: Cross multiply
    18,742,765.80x = 28,114,148.70 × 5,964,562.20
  4. Step 4: Simplify right side
    18,742,765.80x = 167,688,588,621,199.16
  5. Step 5: Solve for x
    x = 167,688,588,621,199.16/18,742,765.80
  6. Step 6: Final answer
    x = 8,946,843.30

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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.