Home / 13,628,275.79-18,807,242.30-7,433,320.91

Finding the Fourth Proportional to 13,628,275.79, 18,807,242.30 and 7,433,320.91

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Solution

The fourth proportional to 13,628,275.79, 18,807,242.30 and 7,433,320.91 is: 10,258,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,275.79 : 18,807,242.30 = 7,433,320.91 : x
  2. Step 2: Convert to fraction form
    13,628,275.79/18,807,242.30 = 7,433,320.91/x
  3. Step 3: Cross multiply
    13,628,275.79x = 18,807,242.30 × 7,433,320.91
  4. Step 4: Simplify right side
    13,628,275.79x = 139,800,267,316,823.69
  5. Step 5: Solve for x
    x = 139,800,267,316,823.69/13,628,275.79
  6. Step 6: Final answer
    x = 10,258,103.78

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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.