Home / 39,872,088.38-55,023,504.10-21,537,374.06

Finding the Fourth Proportional to 39,872,088.38, 55,023,504.10 and 21,537,374.06

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Solution

The fourth proportional to 39,872,088.38, 55,023,504.10 and 21,537,374.06 is: 29,721,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872,088.38 : 55,023,504.10 = 21,537,374.06 : x
  2. Step 2: Convert to fraction form
    39,872,088.38/55,023,504.10 = 21,537,374.06/x
  3. Step 3: Cross multiply
    39,872,088.38x = 55,023,504.10 × 21,537,374.06
  4. Step 4: Simplify right side
    39,872,088.38x = 1,185,061,789,564,682.50
  5. Step 5: Solve for x
    x = 1,185,061,789,564,682.50/39,872,088.38
  6. Step 6: Final answer
    x = 29,721,588.16

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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.