Home / 13,119,378.76-19,686,541.74-10,476,782.92

Finding the Fourth Proportional to 13,119,378.76, 19,686,541.74 and 10,476,782.92

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Solution

The fourth proportional to 13,119,378.76, 19,686,541.74 and 10,476,782.92 is: 15,721,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119,378.76 : 19,686,541.74 = 10,476,782.92 : x
  2. Step 2: Convert to fraction form
    13,119,378.76/19,686,541.74 = 10,476,782.92/x
  3. Step 3: Cross multiply
    13,119,378.76x = 19,686,541.74 × 10,476,782.92
  4. Step 4: Simplify right side
    13,119,378.76x = 206,251,624,255,499.06
  5. Step 5: Solve for x
    x = 206,251,624,255,499.06/13,119,378.76
  6. Step 6: Final answer
    x = 15,721,142.60

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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.