Home / 27,769,602.81-41,681,271.65-13,402,784.28

Finding the Fourth Proportional to 27,769,602.81, 41,681,271.65 and 13,402,784.28

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Solution

The fourth proportional to 27,769,602.81, 41,681,271.65 and 13,402,784.28 is: 20,117,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769,602.81 : 41,681,271.65 = 13,402,784.28 : x
  2. Step 2: Convert to fraction form
    27,769,602.81/41,681,271.65 = 13,402,784.28/x
  3. Step 3: Cross multiply
    27,769,602.81x = 41,681,271.65 × 13,402,784.28
  4. Step 4: Simplify right side
    27,769,602.81x = 558,645,092,374,015.75
  5. Step 5: Solve for x
    x = 558,645,092,374,015.75/27,769,602.81
  6. Step 6: Final answer
    x = 20,117,143.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.