Home / 11,145,420.60-16,718,130.90-8,106,365.40

Finding the Fourth Proportional to 11,145,420.60, 16,718,130.90 and 8,106,365.40

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Solution

The fourth proportional to 11,145,420.60, 16,718,130.90 and 8,106,365.40 is: 12,159,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145,420.60 : 16,718,130.90 = 8,106,365.40 : x
  2. Step 2: Convert to fraction form
    11,145,420.60/16,718,130.90 = 8,106,365.40/x
  3. Step 3: Cross multiply
    11,145,420.60x = 16,718,130.90 × 8,106,365.40
  4. Step 4: Simplify right side
    11,145,420.60x = 135,523,277,880,430.88
  5. Step 5: Solve for x
    x = 135,523,277,880,430.88/11,145,420.60
  6. Step 6: Final answer
    x = 12,159,548.10

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1.5x scale

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.