Home / 13,200,969.60-19,798,689.60-6,474,211.20

Finding the Fourth Proportional to 13,200,969.60, 19,798,689.60 and 6,474,211.20

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Solution

The fourth proportional to 13,200,969.60, 19,798,689.60 and 6,474,211.20 is: 9,709,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,969.60 : 19,798,689.60 = 6,474,211.20 : x
  2. Step 2: Convert to fraction form
    13,200,969.60/19,798,689.60 = 6,474,211.20/x
  3. Step 3: Cross multiply
    13,200,969.60x = 19,798,689.60 × 6,474,211.20
  4. Step 4: Simplify right side
    13,200,969.60x = 128,180,897,953,643.53
  5. Step 5: Solve for x
    x = 128,180,897,953,643.53/13,200,969.60
  6. Step 6: Final answer
    x = 9,709,960.85

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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.