Home / 39,439,926.36-59,162,943.30-13,178,852.91

Finding the Fourth Proportional to 39,439,926.36, 59,162,943.30 and 13,178,852.91

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Solution

The fourth proportional to 39,439,926.36, 59,162,943.30 and 13,178,852.91 is: 19,769,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439,926.36 : 59,162,943.30 = 13,178,852.91 : x
  2. Step 2: Convert to fraction form
    39,439,926.36/59,162,943.30 = 13,178,852.91/x
  3. Step 3: Cross multiply
    39,439,926.36x = 59,162,943.30 × 13,178,852.91
  4. Step 4: Simplify right side
    39,439,926.36x = 779,699,727,473,370
  5. Step 5: Solve for x
    x = 779,699,727,473,370/39,439,926.36
  6. Step 6: Final answer
    x = 19,769,299.78

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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.