Home / 13,012,616.56-19,523,004.06-7,830,880.06

Finding the Fourth Proportional to 13,012,616.56, 19,523,004.06 and 7,830,880.06

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Solution

The fourth proportional to 13,012,616.56, 19,523,004.06 and 7,830,880.06 is: 11,748,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,616.56 : 19,523,004.06 = 7,830,880.06 : x
  2. Step 2: Convert to fraction form
    13,012,616.56/19,523,004.06 = 7,830,880.06/x
  3. Step 3: Cross multiply
    13,012,616.56x = 19,523,004.06 × 7,830,880.06
  4. Step 4: Simplify right side
    13,012,616.56x = 152,882,303,204,753.03
  5. Step 5: Solve for x
    x = 152,882,303,204,753.03/13,012,616.56
  6. Step 6: Final answer
    x = 11,748,774.93

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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.