Home / 20,550,810.54-28,360,116.24-12,290,871.54

Finding the Fourth Proportional to 20,550,810.54, 28,360,116.24 and 12,290,871.54

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Solution

The fourth proportional to 20,550,810.54, 28,360,116.24 and 12,290,871.54 is: 16,961,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550,810.54 : 28,360,116.24 = 12,290,871.54 : x
  2. Step 2: Convert to fraction form
    20,550,810.54/28,360,116.24 = 12,290,871.54/x
  3. Step 3: Cross multiply
    20,550,810.54x = 28,360,116.24 × 12,290,871.54
  4. Step 4: Simplify right side
    20,550,810.54x = 348,570,545,565,307.75
  5. Step 5: Solve for x
    x = 348,570,545,565,307.75/20,550,810.54
  6. Step 6: Final answer
    x = 16,961,401.35

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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.