Home / 19,506,581.70-29,251,015.20-7,372,012.20

Finding the Fourth Proportional to 19,506,581.70, 29,251,015.20 and 7,372,012.20

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Solution

The fourth proportional to 19,506,581.70, 29,251,015.20 and 7,372,012.20 is: 11,054,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506,581.70 : 29,251,015.20 = 7,372,012.20 : x
  2. Step 2: Convert to fraction form
    19,506,581.70/29,251,015.20 = 7,372,012.20/x
  3. Step 3: Cross multiply
    19,506,581.70x = 29,251,015.20 × 7,372,012.20
  4. Step 4: Simplify right side
    19,506,581.70x = 215,638,840,916,785.44
  5. Step 5: Solve for x
    x = 215,638,840,916,785.44/19,506,581.70
  6. Step 6: Final answer
    x = 11,054,670.89

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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.