Home / 13,349,298.78-20,012,072.70-4,827,740.76

Finding the Fourth Proportional to 13,349,298.78, 20,012,072.70 and 4,827,740.76

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Solution

The fourth proportional to 13,349,298.78, 20,012,072.70 and 4,827,740.76 is: 7,237,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,298.78 : 20,012,072.70 = 4,827,740.76 : x
  2. Step 2: Convert to fraction form
    13,349,298.78/20,012,072.70 = 4,827,740.76/x
  3. Step 3: Cross multiply
    13,349,298.78x = 20,012,072.70 × 4,827,740.76
  4. Step 4: Simplify right side
    13,349,298.78x = 96,613,099,065,873.25
  5. Step 5: Solve for x
    x = 96,613,099,065,873.25/13,349,298.78
  6. Step 6: Final answer
    x = 7,237,316.41

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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.