Home / 8,316,106.80-12,483,491.40-6,431,204.40

Finding the Fourth Proportional to 8,316,106.80, 12,483,491.40 and 6,431,204.40

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Solution

The fourth proportional to 8,316,106.80, 12,483,491.40 and 6,431,204.40 is: 9,654,022.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,106.80 : 12,483,491.40 = 6,431,204.40 : x
  2. Step 2: Convert to fraction form
    8,316,106.80/12,483,491.40 = 6,431,204.40/x
  3. Step 3: Cross multiply
    8,316,106.80x = 12,483,491.40 × 6,431,204.40
  4. Step 4: Simplify right side
    8,316,106.80x = 80,283,884,819,042.17
  5. Step 5: Solve for x
    x = 80,283,884,819,042.17/8,316,106.80
  6. Step 6: Final answer
    x = 9,654,022.82

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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.