Home / 10,780,752.40-16,171,128.60-10,355,599.60

Finding the Fourth Proportional to 10,780,752.40, 16,171,128.60 and 10,355,599.60

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Solution

The fourth proportional to 10,780,752.40, 16,171,128.60 and 10,355,599.60 is: 15,533,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,752.40 : 16,171,128.60 = 10,355,599.60 : x
  2. Step 2: Convert to fraction form
    10,780,752.40/16,171,128.60 = 10,355,599.60/x
  3. Step 3: Cross multiply
    10,780,752.40x = 16,171,128.60 × 10,355,599.60
  4. Step 4: Simplify right side
    10,780,752.40x = 167,461,732,861,708.56
  5. Step 5: Solve for x
    x = 167,461,732,861,708.56/10,780,752.40
  6. Step 6: Final answer
    x = 15,533,399.40

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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.