Home / 12,001,376.63-16,560,118.76-7,289,321.78

Finding the Fourth Proportional to 12,001,376.63, 16,560,118.76 and 7,289,321.78

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Solution

The fourth proportional to 12,001,376.63, 16,560,118.76 and 7,289,321.78 is: 10,058,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001,376.63 : 16,560,118.76 = 7,289,321.78 : x
  2. Step 2: Convert to fraction form
    12,001,376.63/16,560,118.76 = 7,289,321.78/x
  3. Step 3: Cross multiply
    12,001,376.63x = 16,560,118.76 × 7,289,321.78
  4. Step 4: Simplify right side
    12,001,376.63x = 120,712,034,237,407.41
  5. Step 5: Solve for x
    x = 120,712,034,237,407.41/12,001,376.63
  6. Step 6: Final answer
    x = 10,058,182.32

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1.5x scale

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.