Home / 9,939,520.20-14,909,280.30-8,742,793.80

Finding the Fourth Proportional to 9,939,520.20, 14,909,280.30 and 8,742,793.80

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Solution

The fourth proportional to 9,939,520.20, 14,909,280.30 and 8,742,793.80 is: 13,114,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939,520.20 : 14,909,280.30 = 8,742,793.80 : x
  2. Step 2: Convert to fraction form
    9,939,520.20/14,909,280.30 = 8,742,793.80/x
  3. Step 3: Cross multiply
    9,939,520.20x = 14,909,280.30 × 8,742,793.80
  4. Step 4: Simplify right side
    9,939,520.20x = 130,348,763,369,302.16
  5. Step 5: Solve for x
    x = 130,348,763,369,302.16/9,939,520.20
  6. Step 6: Final answer
    x = 13,114,190.70

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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.