Home / 13,701,405.30-18,907,936.48-7,506,671.76

Finding the Fourth Proportional to 13,701,405.30, 18,907,936.48 and 7,506,671.76

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Solution

The fourth proportional to 13,701,405.30, 18,907,936.48 and 7,506,671.76 is: 10,359,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,405.30 : 18,907,936.48 = 7,506,671.76 : x
  2. Step 2: Convert to fraction form
    13,701,405.30/18,907,936.48 = 7,506,671.76/x
  3. Step 3: Cross multiply
    13,701,405.30x = 18,907,936.48 × 7,506,671.76
  4. Step 4: Simplify right side
    13,701,405.30x = 141,935,672,814,289.81
  5. Step 5: Solve for x
    x = 141,935,672,814,289.81/13,701,405.30
  6. Step 6: Final answer
    x = 10,359,205.48

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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.