Home / 10,692,004.80-16,038,007.20-8,172,580.80

Finding the Fourth Proportional to 10,692,004.80, 16,038,007.20 and 8,172,580.80

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Solution

The fourth proportional to 10,692,004.80, 16,038,007.20 and 8,172,580.80 is: 12,258,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,004.80 : 16,038,007.20 = 8,172,580.80 : x
  2. Step 2: Convert to fraction form
    10,692,004.80/16,038,007.20 = 8,172,580.80/x
  3. Step 3: Cross multiply
    10,692,004.80x = 16,038,007.20 × 8,172,580.80
  4. Step 4: Simplify right side
    10,692,004.80x = 131,071,909,712,981.75
  5. Step 5: Solve for x
    x = 131,071,909,712,981.75/10,692,004.80
  6. Step 6: Final answer
    x = 12,258,871.20

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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.