Home / 11,780,501.40-17,670,752.10-8,197,320.60

Finding the Fourth Proportional to 11,780,501.40, 17,670,752.10 and 8,197,320.60

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Solution

The fourth proportional to 11,780,501.40, 17,670,752.10 and 8,197,320.60 is: 12,295,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,501.40 : 17,670,752.10 = 8,197,320.60 : x
  2. Step 2: Convert to fraction form
    11,780,501.40/17,670,752.10 = 8,197,320.60/x
  3. Step 3: Cross multiply
    11,780,501.40x = 17,670,752.10 × 8,197,320.60
  4. Step 4: Simplify right side
    11,780,501.40x = 144,852,820,206,823.28
  5. Step 5: Solve for x
    x = 144,852,820,206,823.28/11,780,501.40
  6. Step 6: Final answer
    x = 12,295,980.90

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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.