Home / 21,409,554.52-32,114,331.78-5,235,313.76

Finding the Fourth Proportional to 21,409,554.52, 32,114,331.78 and 5,235,313.76

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Solution

The fourth proportional to 21,409,554.52, 32,114,331.78 and 5,235,313.76 is: 7,852,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,554.52 : 32,114,331.78 = 5,235,313.76 : x
  2. Step 2: Convert to fraction form
    21,409,554.52/32,114,331.78 = 5,235,313.76/x
  3. Step 3: Cross multiply
    21,409,554.52x = 32,114,331.78 × 5,235,313.76
  4. Step 4: Simplify right side
    21,409,554.52x = 168,128,603,141,325.12
  5. Step 5: Solve for x
    x = 168,128,603,141,325.12/21,409,554.52
  6. Step 6: Final answer
    x = 7,852,970.64

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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.