Home / 12,615,812.40-18,928,384.20-5,048,209.20

Finding the Fourth Proportional to 12,615,812.40, 18,928,384.20 and 5,048,209.20

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Solution

The fourth proportional to 12,615,812.40, 18,928,384.20 and 5,048,209.20 is: 7,574,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,812.40 : 18,928,384.20 = 5,048,209.20 : x
  2. Step 2: Convert to fraction form
    12,615,812.40/18,928,384.20 = 5,048,209.20/x
  3. Step 3: Cross multiply
    12,615,812.40x = 18,928,384.20 × 5,048,209.20
  4. Step 4: Simplify right side
    12,615,812.40x = 95,554,443,259,574.64
  5. Step 5: Solve for x
    x = 95,554,443,259,574.64/12,615,812.40
  6. Step 6: Final answer
    x = 7,574,180.74

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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.