Home / 18,771,232.64-28,160,996.16-6,803,657.60

Finding the Fourth Proportional to 18,771,232.64, 28,160,996.16 and 6,803,657.60

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Solution

The fourth proportional to 18,771,232.64, 28,160,996.16 and 6,803,657.60 is: 10,206,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771,232.64 : 28,160,996.16 = 6,803,657.60 : x
  2. Step 2: Convert to fraction form
    18,771,232.64/28,160,996.16 = 6,803,657.60/x
  3. Step 3: Cross multiply
    18,771,232.64x = 28,160,996.16 × 6,803,657.60
  4. Step 4: Simplify right side
    18,771,232.64x = 191,597,775,547,554.81
  5. Step 5: Solve for x
    x = 191,597,775,547,554.81/18,771,232.64
  6. Step 6: Final answer
    x = 10,206,989.56

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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.