Home / 19,890,429.86-27,411,281.79-17,426,993.06

Finding the Fourth Proportional to 19,890,429.86, 27,411,281.79 and 17,426,993.06

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Solution

The fourth proportional to 19,890,429.86, 27,411,281.79 and 17,426,993.06 is: 24,016,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,429.86 : 27,411,281.79 = 17,426,993.06 : x
  2. Step 2: Convert to fraction form
    19,890,429.86/27,411,281.79 = 17,426,993.06/x
  3. Step 3: Cross multiply
    19,890,429.86x = 27,411,281.79 × 17,426,993.06
  4. Step 4: Simplify right side
    19,890,429.86x = 477,696,217,523,211.31
  5. Step 5: Solve for x
    x = 477,696,217,523,211.31/19,890,429.86
  6. Step 6: Final answer
    x = 24,016,384.81

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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.