Home / 13,602,637.80-20,403,956.70-4,627,189.80

Finding the Fourth Proportional to 13,602,637.80, 20,403,956.70 and 4,627,189.80

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Solution

The fourth proportional to 13,602,637.80, 20,403,956.70 and 4,627,189.80 is: 6,940,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602,637.80 : 20,403,956.70 = 4,627,189.80 : x
  2. Step 2: Convert to fraction form
    13,602,637.80/20,403,956.70 = 4,627,189.80/x
  3. Step 3: Cross multiply
    13,602,637.80x = 20,403,956.70 × 4,627,189.80
  4. Step 4: Simplify right side
    13,602,637.80x = 94,412,980,321,881.66
  5. Step 5: Solve for x
    x = 94,412,980,321,881.66/13,602,637.80
  6. Step 6: Final answer
    x = 6,940,784.70

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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.