Home / 12,938,817.30-19,374,011.55-10,368,071.70

Finding the Fourth Proportional to 12,938,817.30, 19,374,011.55 and 10,368,071.70

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Solution

The fourth proportional to 12,938,817.30, 19,374,011.55 and 10,368,071.70 is: 15,524,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,817.30 : 19,374,011.55 = 10,368,071.70 : x
  2. Step 2: Convert to fraction form
    12,938,817.30/19,374,011.55 = 10,368,071.70/x
  3. Step 3: Cross multiply
    12,938,817.30x = 19,374,011.55 × 10,368,071.70
  4. Step 4: Simplify right side
    12,938,817.30x = 200,871,140,867,028.12
  5. Step 5: Solve for x
    x = 200,871,140,867,028.12/12,938,817.30
  6. Step 6: Final answer
    x = 15,524,691.03

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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.