Home / 14,036,140.20-21,054,210.30-13,185,834.60

Finding the Fourth Proportional to 14,036,140.20, 21,054,210.30 and 13,185,834.60

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Solution

The fourth proportional to 14,036,140.20, 21,054,210.30 and 13,185,834.60 is: 19,778,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,140.20 : 21,054,210.30 = 13,185,834.60 : x
  2. Step 2: Convert to fraction form
    14,036,140.20/21,054,210.30 = 13,185,834.60/x
  3. Step 3: Cross multiply
    14,036,140.20x = 21,054,210.30 × 13,185,834.60
  4. Step 4: Simplify right side
    14,036,140.20x = 277,617,334,649,416.38
  5. Step 5: Solve for x
    x = 277,617,334,649,416.38/14,036,140.20
  6. Step 6: Final answer
    x = 19,778,751.90

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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.