Home / 6,415,420.80-9,632,462.40-4,829,116.80

Finding the Fourth Proportional to 6,415,420.80, 9,632,462.40 and 4,829,116.80

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Solution

The fourth proportional to 6,415,420.80, 9,632,462.40 and 4,829,116.80 is: 7,250,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415,420.80 : 9,632,462.40 = 4,829,116.80 : x
  2. Step 2: Convert to fraction form
    6,415,420.80/9,632,462.40 = 4,829,116.80/x
  3. Step 3: Cross multiply
    6,415,420.80x = 9,632,462.40 × 4,829,116.80
  4. Step 4: Simplify right side
    6,415,420.80x = 46,516,286,001,208.32
  5. Step 5: Solve for x
    x = 46,516,286,001,208.32/6,415,420.80
  6. Step 6: Final answer
    x = 7,250,699.13

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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.