Home / 40,372,590.15-60,558,885.23-21,001,565.70

Finding the Fourth Proportional to 40,372,590.15, 60,558,885.23 and 21,001,565.70

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Solution

The fourth proportional to 40,372,590.15, 60,558,885.23 and 21,001,565.70 is: 31,502,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372,590.15 : 60,558,885.23 = 21,001,565.70 : x
  2. Step 2: Convert to fraction form
    40,372,590.15/60,558,885.23 = 21,001,565.70/x
  3. Step 3: Cross multiply
    40,372,590.15x = 60,558,885.23 × 21,001,565.70
  4. Step 4: Simplify right side
    40,372,590.15x = 1,271,831,406,771,596.75
  5. Step 5: Solve for x
    x = 1,271,831,406,771,596.75/40,372,590.15
  6. Step 6: Final answer
    x = 31,502,348.55

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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.