Home / 30,731,345.01-42,408,743.86-16,792,393.89

Finding the Fourth Proportional to 30,731,345.01, 42,408,743.86 and 16,792,393.89

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Solution

The fourth proportional to 30,731,345.01, 42,408,743.86 and 16,792,393.89 is: 23,173,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731,345.01 : 42,408,743.86 = 16,792,393.89 : x
  2. Step 2: Convert to fraction form
    30,731,345.01/42,408,743.86 = 16,792,393.89/x
  3. Step 3: Cross multiply
    30,731,345.01x = 42,408,743.86 × 16,792,393.89
  4. Step 4: Simplify right side
    30,731,345.01x = 712,144,331,457,262.25
  5. Step 5: Solve for x
    x = 712,144,331,457,262.25/30,731,345.01
  6. Step 6: Final answer
    x = 23,173,223.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.