Home / 13,353,251.78-18,427,270.02-7,551,816.32

Finding the Fourth Proportional to 13,353,251.78, 18,427,270.02 and 7,551,816.32

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Solution

The fourth proportional to 13,353,251.78, 18,427,270.02 and 7,551,816.32 is: 10,421,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,251.78 : 18,427,270.02 = 7,551,816.32 : x
  2. Step 2: Convert to fraction form
    13,353,251.78/18,427,270.02 = 7,551,816.32/x
  3. Step 3: Cross multiply
    13,353,251.78x = 18,427,270.02 × 7,551,816.32
  4. Step 4: Simplify right side
    13,353,251.78x = 139,159,358,470,082.73
  5. Step 5: Solve for x
    x = 139,159,358,470,082.73/13,353,251.78
  6. Step 6: Final answer
    x = 10,421,383.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.