Home / 10,131,065.47-13,980,893.39-5,484,899.40

Finding the Fourth Proportional to 10,131,065.47, 13,980,893.39 and 5,484,899.40

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Solution

The fourth proportional to 10,131,065.47, 13,980,893.39 and 5,484,899.40 is: 7,569,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,065.47 : 13,980,893.39 = 5,484,899.40 : x
  2. Step 2: Convert to fraction form
    10,131,065.47/13,980,893.39 = 5,484,899.40/x
  3. Step 3: Cross multiply
    10,131,065.47x = 13,980,893.39 × 5,484,899.40
  4. Step 4: Simplify right side
    10,131,065.47x = 76,683,793,766,274.97
  5. Step 5: Solve for x
    x = 76,683,793,766,274.97/10,131,065.47
  6. Step 6: Final answer
    x = 7,569,173.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.