Home / 12,960,038.60-19,440,057.90-9,600,806.60

Finding the Fourth Proportional to 12,960,038.60, 19,440,057.90 and 9,600,806.60

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Solution

The fourth proportional to 12,960,038.60, 19,440,057.90 and 9,600,806.60 is: 14,401,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,038.60 : 19,440,057.90 = 9,600,806.60 : x
  2. Step 2: Convert to fraction form
    12,960,038.60/19,440,057.90 = 9,600,806.60/x
  3. Step 3: Cross multiply
    12,960,038.60x = 19,440,057.90 × 9,600,806.60
  4. Step 4: Simplify right side
    12,960,038.60x = 186,640,236,190,702.12
  5. Step 5: Solve for x
    x = 186,640,236,190,702.12/12,960,038.60
  6. Step 6: Final answer
    x = 14,401,209.90

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1.5x scale

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.