Home / 12,742,402.60-19,113,603.90-3,766,954.60

Finding the Fourth Proportional to 12,742,402.60, 19,113,603.90 and 3,766,954.60

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Solution

The fourth proportional to 12,742,402.60, 19,113,603.90 and 3,766,954.60 is: 5,650,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,402.60 : 19,113,603.90 = 3,766,954.60 : x
  2. Step 2: Convert to fraction form
    12,742,402.60/19,113,603.90 = 3,766,954.60/x
  3. Step 3: Cross multiply
    12,742,402.60x = 19,113,603.90 × 3,766,954.60
  4. Step 4: Simplify right side
    12,742,402.60x = 72,000,078,133,682.94
  5. Step 5: Solve for x
    x = 72,000,078,133,682.94/12,742,402.60
  6. Step 6: Final answer
    x = 5,650,431.90

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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.