Home / 13,142,305.80-19,713,458.70-8,607,342.60

Finding the Fourth Proportional to 13,142,305.80, 19,713,458.70 and 8,607,342.60

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Solution

The fourth proportional to 13,142,305.80, 19,713,458.70 and 8,607,342.60 is: 12,911,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,305.80 : 19,713,458.70 = 8,607,342.60 : x
  2. Step 2: Convert to fraction form
    13,142,305.80/19,713,458.70 = 8,607,342.60/x
  3. Step 3: Cross multiply
    13,142,305.80x = 19,713,458.70 × 8,607,342.60
  4. Step 4: Simplify right side
    13,142,305.80x = 169,680,492,861,850.59
  5. Step 5: Solve for x
    x = 169,680,492,861,850.59/13,142,305.80
  6. Step 6: Final answer
    x = 12,911,013.90

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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.