Home / 39,861,368.04-55,008,687.40-21,526,653.54

Finding the Fourth Proportional to 39,861,368.04, 55,008,687.40 and 21,526,653.54

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Solution

The fourth proportional to 39,861,368.04, 55,008,687.40 and 21,526,653.54 is: 29,706,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861,368.04 : 55,008,687.40 = 21,526,653.54 : x
  2. Step 2: Convert to fraction form
    39,861,368.04/55,008,687.40 = 21,526,653.54/x
  3. Step 3: Cross multiply
    39,861,368.04x = 55,008,687.40 × 21,526,653.54
  4. Step 4: Simplify right side
    39,861,368.04x = 1,184,152,955,349,963.25
  5. Step 5: Solve for x
    x = 1,184,152,955,349,963.25/39,861,368.04
  6. Step 6: Final answer
    x = 29,706,781.62

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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.