Home / 13,818,626.80-20,730,597.00-5,298,298.76

Finding the Fourth Proportional to 13,818,626.80, 20,730,597.00 and 5,298,298.76

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Solution

The fourth proportional to 13,818,626.80, 20,730,597.00 and 5,298,298.76 is: 7,948,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,626.80 : 20,730,597.00 = 5,298,298.76 : x
  2. Step 2: Convert to fraction form
    13,818,626.80/20,730,597.00 = 5,298,298.76/x
  3. Step 3: Cross multiply
    13,818,626.80x = 20,730,597.00 × 5,298,298.76
  4. Step 4: Simplify right side
    13,818,626.80x = 109,836,896,411,117.59
  5. Step 5: Solve for x
    x = 109,836,896,411,117.59/13,818,626.80
  6. Step 6: Final answer
    x = 7,948,466.81

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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.