Home / 13,232,124.80-19,848,187.20-13,120,150.40

Finding the Fourth Proportional to 13,232,124.80, 19,848,187.20 and 13,120,150.40

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Solution

The fourth proportional to 13,232,124.80, 19,848,187.20 and 13,120,150.40 is: 19,680,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232,124.80 : 19,848,187.20 = 13,120,150.40 : x
  2. Step 2: Convert to fraction form
    13,232,124.80/19,848,187.20 = 13,120,150.40/x
  3. Step 3: Cross multiply
    13,232,124.80x = 19,848,187.20 × 13,120,150.40
  4. Step 4: Simplify right side
    13,232,124.80x = 260,411,201,231,354.88
  5. Step 5: Solve for x
    x = 260,411,201,231,354.88/13,232,124.80
  6. Step 6: Final answer
    x = 19,680,225.60

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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.