Home / 13,263,630.79-19,895,444.88-3,679,009.72

Finding the Fourth Proportional to 13,263,630.79, 19,895,444.88 and 3,679,009.72

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Solution

The fourth proportional to 13,263,630.79, 19,895,444.88 and 3,679,009.72 is: 5,518,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,630.79 : 19,895,444.88 = 3,679,009.72 : x
  2. Step 2: Convert to fraction form
    13,263,630.79/19,895,444.88 = 3,679,009.72/x
  3. Step 3: Cross multiply
    13,263,630.79x = 19,895,444.88 × 3,679,009.72
  4. Step 4: Simplify right side
    13,263,630.79x = 73,195,535,097,244.23
  5. Step 5: Solve for x
    x = 73,195,535,097,244.23/13,263,630.79
  6. Step 6: Final answer
    x = 5,518,514.22

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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.