Home / 13,428,184.80-20,148,230.16-7,036,917.60

Finding the Fourth Proportional to 13,428,184.80, 20,148,230.16 and 7,036,917.60

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Solution

The fourth proportional to 13,428,184.80, 20,148,230.16 and 7,036,917.60 is: 10,558,495.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,184.80 : 20,148,230.16 = 7,036,917.60 : x
  2. Step 2: Convert to fraction form
    13,428,184.80/20,148,230.16 = 7,036,917.60/x
  3. Step 3: Cross multiply
    13,428,184.80x = 20,148,230.16 × 7,036,917.60
  4. Step 4: Simplify right side
    13,428,184.80x = 141,781,435,421,754.81
  5. Step 5: Solve for x
    x = 141,781,435,421,754.81/13,428,184.80
  6. Step 6: Final answer
    x = 10,558,495.99

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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.