Home / 13,129,104.04-18,119,076.48-7,329,018.04

Finding the Fourth Proportional to 13,129,104.04, 18,119,076.48 and 7,329,018.04

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Solution

The fourth proportional to 13,129,104.04, 18,119,076.48 and 7,329,018.04 is: 10,114,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129,104.04 : 18,119,076.48 = 7,329,018.04 : x
  2. Step 2: Convert to fraction form
    13,129,104.04/18,119,076.48 = 7,329,018.04/x
  3. Step 3: Cross multiply
    13,129,104.04x = 18,119,076.48 × 7,329,018.04
  4. Step 4: Simplify right side
    13,129,104.04x = 132,795,038,390,059.70
  5. Step 5: Solve for x
    x = 132,795,038,390,059.70/13,129,104.04
  6. Step 6: Final answer
    x = 10,114,554.50

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1.5x scale

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.