Home / 10,103,709.47-13,943,124.66-5,457,494.48

Finding the Fourth Proportional to 10,103,709.47, 13,943,124.66 and 5,457,494.48

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Solution

The fourth proportional to 10,103,709.47, 13,943,124.66 and 5,457,494.48 is: 7,531,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103,709.47 : 13,943,124.66 = 5,457,494.48 : x
  2. Step 2: Convert to fraction form
    10,103,709.47/13,943,124.66 = 5,457,494.48/x
  3. Step 3: Cross multiply
    10,103,709.47x = 13,943,124.66 × 5,457,494.48
  4. Step 4: Simplify right side
    10,103,709.47x = 76,094,525,796,186.25
  5. Step 5: Solve for x
    x = 76,094,525,796,186.25/10,103,709.47
  6. Step 6: Final answer
    x = 7,531,345.40

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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.