Home / 10,005,041.64-13,807,005.48-5,421,371.52

Finding the Fourth Proportional to 10,005,041.64, 13,807,005.48 and 5,421,371.52

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Solution

The fourth proportional to 10,005,041.64, 13,807,005.48 and 5,421,371.52 is: 7,481,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005,041.64 : 13,807,005.48 = 5,421,371.52 : x
  2. Step 2: Convert to fraction form
    10,005,041.64/13,807,005.48 = 5,421,371.52/x
  3. Step 3: Cross multiply
    10,005,041.64x = 13,807,005.48 × 5,421,371.52
  4. Step 4: Simplify right side
    10,005,041.64x = 74,852,906,285,755.92
  5. Step 5: Solve for x
    x = 74,852,906,285,755.92/10,005,041.64
  6. Step 6: Final answer
    x = 7,481,518.72

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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.