Home / 37,807,871.68-52,167,980.64-21,285,426.88

Finding the Fourth Proportional to 37,807,871.68, 52,167,980.64 and 21,285,426.88

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Solution

The fourth proportional to 37,807,871.68, 52,167,980.64 and 21,285,426.88 is: 29,370,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,807,871.68 : 52,167,980.64 = 21,285,426.88 : x
  2. Step 2: Convert to fraction form
    37,807,871.68/52,167,980.64 = 21,285,426.88/x
  3. Step 3: Cross multiply
    37,807,871.68x = 52,167,980.64 × 21,285,426.88
  4. Step 4: Simplify right side
    37,807,871.68x = 1,110,417,737,389,975.50
  5. Step 5: Solve for x
    x = 1,110,417,737,389,975.50/37,807,871.68
  6. Step 6: Final answer
    x = 29,370,014.45

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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.