Home / 14,500,253.24-20,010,728.72-7,885,228.58

Finding the Fourth Proportional to 14,500,253.24, 20,010,728.72 and 7,885,228.58

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Solution

The fourth proportional to 14,500,253.24, 20,010,728.72 and 7,885,228.58 is: 10,881,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,253.24 : 20,010,728.72 = 7,885,228.58 : x
  2. Step 2: Convert to fraction form
    14,500,253.24/20,010,728.72 = 7,885,228.58/x
  3. Step 3: Cross multiply
    14,500,253.24x = 20,010,728.72 × 7,885,228.58
  4. Step 4: Simplify right side
    14,500,253.24x = 157,789,170,009,570.81
  5. Step 5: Solve for x
    x = 157,789,170,009,570.81/14,500,253.24
  6. Step 6: Final answer
    x = 10,881,821.68

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1.5x scale

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.