Home / 12,089,214.30-18,133,821.45-9,349,340.70

Finding the Fourth Proportional to 12,089,214.30, 18,133,821.45 and 9,349,340.70

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Solution

The fourth proportional to 12,089,214.30, 18,133,821.45 and 9,349,340.70 is: 14,024,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,214.30 : 18,133,821.45 = 9,349,340.70 : x
  2. Step 2: Convert to fraction form
    12,089,214.30/18,133,821.45 = 9,349,340.70/x
  3. Step 3: Cross multiply
    12,089,214.30x = 18,133,821.45 × 9,349,340.70
  4. Step 4: Simplify right side
    12,089,214.30x = 169,539,274,929,018
  5. Step 5: Solve for x
    x = 169,539,274,929,018/12,089,214.30
  6. Step 6: Final answer
    x = 14,024,011.05

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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.