Home / 40,372,596.90-60,558,895.35-21,001,572.45

Finding the Fourth Proportional to 40,372,596.90, 60,558,895.35 and 21,001,572.45

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Solution

The fourth proportional to 40,372,596.90, 60,558,895.35 and 21,001,572.45 is: 31,502,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372,596.90 : 60,558,895.35 = 21,001,572.45 : x
  2. Step 2: Convert to fraction form
    40,372,596.90/60,558,895.35 = 21,001,572.45/x
  3. Step 3: Cross multiply
    40,372,596.90x = 60,558,895.35 × 21,001,572.45
  4. Step 4: Simplify right side
    40,372,596.90x = 1,271,832,028,184,993
  5. Step 5: Solve for x
    x = 1,271,832,028,184,993/40,372,596.90
  6. Step 6: Final answer
    x = 31,502,358.68

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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.