Home / 13,225,073.80-19,832,945.10-4,705,688.20

Finding the Fourth Proportional to 13,225,073.80, 19,832,945.10 and 4,705,688.20

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Solution

The fourth proportional to 13,225,073.80, 19,832,945.10 and 4,705,688.20 is: 7,056,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225,073.80 : 19,832,945.10 = 4,705,688.20 : x
  2. Step 2: Convert to fraction form
    13,225,073.80/19,832,945.10 = 4,705,688.20/x
  3. Step 3: Cross multiply
    13,225,073.80x = 19,832,945.10 × 4,705,688.20
  4. Step 4: Simplify right side
    13,225,073.80x = 93,327,655,728,317.83
  5. Step 5: Solve for x
    x = 93,327,655,728,317.83/13,225,073.80
  6. Step 6: Final answer
    x = 7,056,872.21

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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.