Home / 13,370,509.89-18,451,303.47-7,258,938.39

Finding the Fourth Proportional to 13,370,509.89, 18,451,303.47 and 7,258,938.39

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Solution

The fourth proportional to 13,370,509.89, 18,451,303.47 and 7,258,938.39 is: 10,017,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370,509.89 : 18,451,303.47 = 7,258,938.39 : x
  2. Step 2: Convert to fraction form
    13,370,509.89/18,451,303.47 = 7,258,938.39/x
  3. Step 3: Cross multiply
    13,370,509.89x = 18,451,303.47 × 7,258,938.39
  4. Step 4: Simplify right side
    13,370,509.89x = 133,936,875,103,923.20
  5. Step 5: Solve for x
    x = 133,936,875,103,923.20/13,370,509.89
  6. Step 6: Final answer
    x = 10,017,334.88

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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.