Home / 13,637,202.30-20,430,995.58-7,940,154.78

Finding the Fourth Proportional to 13,637,202.30, 20,430,995.58 and 7,940,154.78

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Solution

The fourth proportional to 13,637,202.30, 20,430,995.58 and 7,940,154.78 is: 11,895,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637,202.30 : 20,430,995.58 = 7,940,154.78 : x
  2. Step 2: Convert to fraction form
    13,637,202.30/20,430,995.58 = 7,940,154.78/x
  3. Step 3: Cross multiply
    13,637,202.30x = 20,430,995.58 × 7,940,154.78
  4. Step 4: Simplify right side
    13,637,202.30x = 162,225,267,214,695.88
  5. Step 5: Solve for x
    x = 162,225,267,214,695.88/13,637,202.30
  6. Step 6: Final answer
    x = 11,895,787.98

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1.5x scale

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.