Home / 10,334,880-15,497,796.48-5,214,159.36

Finding the Fourth Proportional to 10,334,880, 15,497,796.48 and 5,214,159.36

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Solution

The fourth proportional to 10,334,880, 15,497,796.48 and 5,214,159.36 is: 7,818,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334,880 : 15,497,796.48 = 5,214,159.36 : x
  2. Step 2: Convert to fraction form
    10,334,880/15,497,796.48 = 5,214,159.36/x
  3. Step 3: Cross multiply
    10,334,880x = 15,497,796.48 × 5,214,159.36
  4. Step 4: Simplify right side
    10,334,880x = 80,807,980,575,567.06
  5. Step 5: Solve for x
    x = 80,807,980,575,567.06/10,334,880
  6. Step 6: Final answer
    x = 7,818,956.83

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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.