Home / 31,036,055.68-42,829,769.96-17,990,881.36

Finding the Fourth Proportional to 31,036,055.68, 42,829,769.96 and 17,990,881.36

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Solution

The fourth proportional to 31,036,055.68, 42,829,769.96 and 17,990,881.36 is: 24,827,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,036,055.68 : 42,829,769.96 = 17,990,881.36 : x
  2. Step 2: Convert to fraction form
    31,036,055.68/42,829,769.96 = 17,990,881.36/x
  3. Step 3: Cross multiply
    31,036,055.68x = 42,829,769.96 × 17,990,881.36
  4. Step 4: Simplify right side
    31,036,055.68x = 770,545,310,026,451.88
  5. Step 5: Solve for x
    x = 770,545,310,026,451.88/31,036,055.68
  6. Step 6: Final answer
    x = 24,827,423.88

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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.