Home / 13,764,461.02-18,995,455.61-7,885,231.47

Finding the Fourth Proportional to 13,764,461.02, 18,995,455.61 and 7,885,231.47

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Solution

The fourth proportional to 13,764,461.02, 18,995,455.61 and 7,885,231.47 is: 10,881,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,461.02 : 18,995,455.61 = 7,885,231.47 : x
  2. Step 2: Convert to fraction form
    13,764,461.02/18,995,455.61 = 7,885,231.47/x
  3. Step 3: Cross multiply
    13,764,461.02x = 18,995,455.61 × 7,885,231.47
  4. Step 4: Simplify right side
    13,764,461.02x = 149,783,564,433,920.09
  5. Step 5: Solve for x
    x = 149,783,564,433,920.09/13,764,461.02
  6. Step 6: Final answer
    x = 10,881,905.53

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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.