Home / 13,776,030.48-20,667,035.07-4,191,159.91

Finding the Fourth Proportional to 13,776,030.48, 20,667,035.07 and 4,191,159.91

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Solution

The fourth proportional to 13,776,030.48, 20,667,035.07 and 4,191,159.91 is: 6,287,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776,030.48 : 20,667,035.07 = 4,191,159.91 : x
  2. Step 2: Convert to fraction form
    13,776,030.48/20,667,035.07 = 4,191,159.91/x
  3. Step 3: Cross multiply
    13,776,030.48x = 20,667,035.07 × 4,191,159.91
  4. Step 4: Simplify right side
    13,776,030.48x = 86,618,848,792,280.47
  5. Step 5: Solve for x
    x = 86,618,848,792,280.47/13,776,030.48
  6. Step 6: Final answer
    x = 6,287,649.33

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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.