Home / 53,638,509.60-80,457,764.40-13,248,993.60

Finding the Fourth Proportional to 53,638,509.60, 80,457,764.40 and 13,248,993.60

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Solution

The fourth proportional to 53,638,509.60, 80,457,764.40 and 13,248,993.60 is: 19,873,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638,509.60 : 80,457,764.40 = 13,248,993.60 : x
  2. Step 2: Convert to fraction form
    53,638,509.60/80,457,764.40 = 13,248,993.60/x
  3. Step 3: Cross multiply
    53,638,509.60x = 80,457,764.40 × 13,248,993.60
  4. Step 4: Simplify right side
    53,638,509.60x = 1,065,984,405,605,907.88
  5. Step 5: Solve for x
    x = 1,065,984,405,605,907.88/53,638,509.60
  6. Step 6: Final answer
    x = 19,873,490.40

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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.