Home / 19,842,157.68-27,385,169.64-12,111,681.36

Finding the Fourth Proportional to 19,842,157.68, 27,385,169.64 and 12,111,681.36

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Solution

The fourth proportional to 19,842,157.68, 27,385,169.64 and 12,111,681.36 is: 16,715,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842,157.68 : 27,385,169.64 = 12,111,681.36 : x
  2. Step 2: Convert to fraction form
    19,842,157.68/27,385,169.64 = 12,111,681.36/x
  3. Step 3: Cross multiply
    19,842,157.68x = 27,385,169.64 × 12,111,681.36
  4. Step 4: Simplify right side
    19,842,157.68x = 331,680,448,669,225.88
  5. Step 5: Solve for x
    x = 331,680,448,669,225.88/19,842,157.68
  6. Step 6: Final answer
    x = 16,715,946.62

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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.