Home / 19,671,291-27,151,247.54-13,402,192.64

Finding the Fourth Proportional to 19,671,291, 27,151,247.54 and 13,402,192.64

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Solution

The fourth proportional to 19,671,291, 27,151,247.54 and 13,402,192.64 is: 18,498,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671,291 : 27,151,247.54 = 13,402,192.64 : x
  2. Step 2: Convert to fraction form
    19,671,291/27,151,247.54 = 13,402,192.64/x
  3. Step 3: Cross multiply
    19,671,291x = 27,151,247.54 × 13,402,192.64
  4. Step 4: Simplify right side
    19,671,291x = 363,886,249,845,155.38
  5. Step 5: Solve for x
    x = 363,886,249,845,155.38/19,671,291
  6. Step 6: Final answer
    x = 18,498,341.05

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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.