Home / 39,899,802.34-55,061,702.35-21,565,087.84

Finding the Fourth Proportional to 39,899,802.34, 55,061,702.35 and 21,565,087.84

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Solution

The fourth proportional to 39,899,802.34, 55,061,702.35 and 21,565,087.84 is: 29,759,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899,802.34 : 55,061,702.35 = 21,565,087.84 : x
  2. Step 2: Convert to fraction form
    39,899,802.34/55,061,702.35 = 21,565,087.84/x
  3. Step 3: Cross multiply
    39,899,802.34x = 55,061,702.35 × 21,565,087.84
  4. Step 4: Simplify right side
    39,899,802.34x = 1,187,410,447,606,117.25
  5. Step 5: Solve for x
    x = 1,187,410,447,606,117.25/39,899,802.34
  6. Step 6: Final answer
    x = 29,759,807.77

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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.