Home / 14,498,421.60-21,747,632.40-9,720,847.20

Finding the Fourth Proportional to 14,498,421.60, 21,747,632.40 and 9,720,847.20

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Solution

The fourth proportional to 14,498,421.60, 21,747,632.40 and 9,720,847.20 is: 14,581,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498,421.60 : 21,747,632.40 = 9,720,847.20 : x
  2. Step 2: Convert to fraction form
    14,498,421.60/21,747,632.40 = 9,720,847.20/x
  3. Step 3: Cross multiply
    14,498,421.60x = 21,747,632.40 × 9,720,847.20
  4. Step 4: Simplify right side
    14,498,421.60x = 211,405,411,522,169.25
  5. Step 5: Solve for x
    x = 211,405,411,522,169.25/14,498,421.60
  6. Step 6: Final answer
    x = 14,581,270.80

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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.