Home / 37,807,873.68-52,167,983.40-21,285,428.88

Finding the Fourth Proportional to 37,807,873.68, 52,167,983.40 and 21,285,428.88

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Solution

The fourth proportional to 37,807,873.68, 52,167,983.40 and 21,285,428.88 is: 29,370,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,807,873.68 : 52,167,983.40 = 21,285,428.88 : x
  2. Step 2: Convert to fraction form
    37,807,873.68/52,167,983.40 = 21,285,428.88/x
  3. Step 3: Cross multiply
    37,807,873.68x = 52,167,983.40 × 21,285,428.88
  4. Step 4: Simplify right side
    37,807,873.68x = 1,110,417,900,473,720.50
  5. Step 5: Solve for x
    x = 1,110,417,900,473,720.50/37,807,873.68
  6. Step 6: Final answer
    x = 29,370,017.21

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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.