Home / 13,250,577.16-18,285,686.34-7,449,384.64

Finding the Fourth Proportional to 13,250,577.16, 18,285,686.34 and 7,449,384.64

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Solution

The fourth proportional to 13,250,577.16, 18,285,686.34 and 7,449,384.64 is: 10,280,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,577.16 : 18,285,686.34 = 7,449,384.64 : x
  2. Step 2: Convert to fraction form
    13,250,577.16/18,285,686.34 = 7,449,384.64/x
  3. Step 3: Cross multiply
    13,250,577.16x = 18,285,686.34 × 7,449,384.64
  4. Step 4: Simplify right side
    13,250,577.16x = 136,217,110,953,053.81
  5. Step 5: Solve for x
    x = 136,217,110,953,053.81/13,250,577.16
  6. Step 6: Final answer
    x = 10,280,088.88

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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.