Home / 13,445,159.28-18,554,319.84-7,333,587.78

Finding the Fourth Proportional to 13,445,159.28, 18,554,319.84 and 7,333,587.78

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Solution

The fourth proportional to 13,445,159.28, 18,554,319.84 and 7,333,587.78 is: 10,120,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445,159.28 : 18,554,319.84 = 7,333,587.78 : x
  2. Step 2: Convert to fraction form
    13,445,159.28/18,554,319.84 = 7,333,587.78/x
  3. Step 3: Cross multiply
    13,445,159.28x = 18,554,319.84 × 7,333,587.78
  4. Step 4: Simplify right side
    13,445,159.28x = 136,069,733,244,835.56
  5. Step 5: Solve for x
    x = 136,069,733,244,835.56/13,445,159.28
  6. Step 6: Final answer
    x = 10,120,351.15

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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.