Home / 14,989,501.60-20,685,517.20-8,113,962.40

Finding the Fourth Proportional to 14,989,501.60, 20,685,517.20 and 8,113,962.40

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Solution

The fourth proportional to 14,989,501.60, 20,685,517.20 and 8,113,962.40 is: 11,197,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989,501.60 : 20,685,517.20 = 8,113,962.40 : x
  2. Step 2: Convert to fraction form
    14,989,501.60/20,685,517.20 = 8,113,962.40/x
  3. Step 3: Cross multiply
    14,989,501.60x = 20,685,517.20 × 8,113,962.40
  4. Step 4: Simplify right side
    14,989,501.60x = 167,841,508,785,353.28
  5. Step 5: Solve for x
    x = 167,841,508,785,353.28/14,989,501.60
  6. Step 6: Final answer
    x = 11,197,270.81

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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.