Home / 14,102,547.88-21,153,828.82-9,309,116.84

Finding the Fourth Proportional to 14,102,547.88, 21,153,828.82 and 9,309,116.84

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Solution

The fourth proportional to 14,102,547.88, 21,153,828.82 and 9,309,116.84 is: 13,963,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102,547.88 : 21,153,828.82 = 9,309,116.84 : x
  2. Step 2: Convert to fraction form
    14,102,547.88/21,153,828.82 = 9,309,116.84/x
  3. Step 3: Cross multiply
    14,102,547.88x = 21,153,828.82 × 9,309,116.84
  4. Step 4: Simplify right side
    14,102,547.88x = 196,923,464,098,739.34
  5. Step 5: Solve for x
    x = 196,923,464,098,739.34/14,102,547.88
  6. Step 6: Final answer
    x = 13,963,679.88

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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.