Home / 14,009,865.80-21,014,798.70-5,487,369.80

Finding the Fourth Proportional to 14,009,865.80, 21,014,798.70 and 5,487,369.80

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Solution

The fourth proportional to 14,009,865.80, 21,014,798.70 and 5,487,369.80 is: 8,231,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,865.80 : 21,014,798.70 = 5,487,369.80 : x
  2. Step 2: Convert to fraction form
    14,009,865.80/21,014,798.70 = 5,487,369.80/x
  3. Step 3: Cross multiply
    14,009,865.80x = 21,014,798.70 × 5,487,369.80
  4. Step 4: Simplify right side
    14,009,865.80x = 115,315,971,739,459.25
  5. Step 5: Solve for x
    x = 115,315,971,739,459.25/14,009,865.80
  6. Step 6: Final answer
    x = 8,231,054.70

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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.