Home / 13,655,328.64-18,842,746.64-7,543,392.64

Finding the Fourth Proportional to 13,655,328.64, 18,842,746.64 and 7,543,392.64

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Solution

The fourth proportional to 13,655,328.64, 18,842,746.64 and 7,543,392.64 is: 10,408,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,328.64 : 18,842,746.64 = 7,543,392.64 : x
  2. Step 2: Convert to fraction form
    13,655,328.64/18,842,746.64 = 7,543,392.64/x
  3. Step 3: Cross multiply
    13,655,328.64x = 18,842,746.64 × 7,543,392.64
  4. Step 4: Simplify right side
    13,655,328.64x = 142,138,236,321,560.72
  5. Step 5: Solve for x
    x = 142,138,236,321,560.72/13,655,328.64
  6. Step 6: Final answer
    x = 10,408,994.18

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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.