Home / 10,429,811.80-15,613,224.90-9,170,099.80

Finding the Fourth Proportional to 10,429,811.80, 15,613,224.90 and 9,170,099.80

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Solution

The fourth proportional to 10,429,811.80, 15,613,224.90 and 9,170,099.80 is: 13,727,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,811.80 : 15,613,224.90 = 9,170,099.80 : x
  2. Step 2: Convert to fraction form
    10,429,811.80/15,613,224.90 = 9,170,099.80/x
  3. Step 3: Cross multiply
    10,429,811.80x = 15,613,224.90 × 9,170,099.80
  4. Step 4: Simplify right side
    10,429,811.80x = 143,174,830,532,845.03
  5. Step 5: Solve for x
    x = 143,174,830,532,845.03/10,429,811.80
  6. Step 6: Final answer
    x = 13,727,460.60

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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.