Home / 31,063,808.73-42,869,515.65-17,312,871.27

Finding the Fourth Proportional to 31,063,808.73, 42,869,515.65 and 17,312,871.27

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Solution

The fourth proportional to 31,063,808.73, 42,869,515.65 and 17,312,871.27 is: 23,892,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,063,808.73 : 42,869,515.65 = 17,312,871.27 : x
  2. Step 2: Convert to fraction form
    31,063,808.73/42,869,515.65 = 17,312,871.27/x
  3. Step 3: Cross multiply
    31,063,808.73x = 42,869,515.65 × 17,312,871.27
  4. Step 4: Simplify right side
    31,063,808.73x = 742,194,405,855,700.38
  5. Step 5: Solve for x
    x = 742,194,405,855,700.38/31,063,808.73
  6. Step 6: Final answer
    x = 23,892,575.84

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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.