Home / 10,692,080.80-16,038,121.20-8,676,541.60

Finding the Fourth Proportional to 10,692,080.80, 16,038,121.20 and 8,676,541.60

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Solution

The fourth proportional to 10,692,080.80, 16,038,121.20 and 8,676,541.60 is: 13,014,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,080.80 : 16,038,121.20 = 8,676,541.60 : x
  2. Step 2: Convert to fraction form
    10,692,080.80/16,038,121.20 = 8,676,541.60/x
  3. Step 3: Cross multiply
    10,692,080.80x = 16,038,121.20 × 8,676,541.60
  4. Step 4: Simplify right side
    10,692,080.80x = 139,155,425,777,641.91
  5. Step 5: Solve for x
    x = 139,155,425,777,641.91/10,692,080.80
  6. Step 6: Final answer
    x = 13,014,812.40

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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.