Home / 14,740,155.36-20,345,793.84-9,311,263.20

Finding the Fourth Proportional to 14,740,155.36, 20,345,793.84 and 9,311,263.20

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Solution

The fourth proportional to 14,740,155.36, 20,345,793.84 and 9,311,263.20 is: 12,852,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740,155.36 : 20,345,793.84 = 9,311,263.20 : x
  2. Step 2: Convert to fraction form
    14,740,155.36/20,345,793.84 = 9,311,263.20/x
  3. Step 3: Cross multiply
    14,740,155.36x = 20,345,793.84 × 9,311,263.20
  4. Step 4: Simplify right side
    14,740,155.36x = 189,445,041,457,178.66
  5. Step 5: Solve for x
    x = 189,445,041,457,178.66/14,740,155.36
  6. Step 6: Final answer
    x = 12,852,309.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.