Home / 39,127,235.29-58,692,740.40-12,865,489.57

Finding the Fourth Proportional to 39,127,235.29, 58,692,740.40 and 12,865,489.57

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Solution

The fourth proportional to 39,127,235.29, 58,692,740.40 and 12,865,489.57 is: 19,298,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,127,235.29 : 58,692,740.40 = 12,865,489.57 : x
  2. Step 2: Convert to fraction form
    39,127,235.29/58,692,740.40 = 12,865,489.57/x
  3. Step 3: Cross multiply
    39,127,235.29x = 58,692,740.40 × 12,865,489.57
  4. Step 4: Simplify right side
    39,127,235.29x = 755,110,839,524,283.50
  5. Step 5: Solve for x
    x = 755,110,839,524,283.50/39,127,235.29
  6. Step 6: Final answer
    x = 19,298,854.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.