Home / 42,912,679.30-64,362,955.54-13,762,729.94

Finding the Fourth Proportional to 42,912,679.30, 64,362,955.54 and 13,762,729.94

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Solution

The fourth proportional to 42,912,679.30, 64,362,955.54 and 13,762,729.94 is: 20,642,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912,679.30 : 64,362,955.54 = 13,762,729.94 : x
  2. Step 2: Convert to fraction form
    42,912,679.30/64,362,955.54 = 13,762,729.94/x
  3. Step 3: Cross multiply
    42,912,679.30x = 64,362,955.54 × 13,762,729.94
  4. Step 4: Simplify right side
    42,912,679.30x = 885,809,975,237,246.88
  5. Step 5: Solve for x
    x = 885,809,975,237,246.88/42,912,679.30
  6. Step 6: Final answer
    x = 20,642,150.28

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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.