Home / 25,810,539.36-38,721,641.78-8,538,699.40

Finding the Fourth Proportional to 25,810,539.36, 38,721,641.78 and 8,538,699.40

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Solution

The fourth proportional to 25,810,539.36, 38,721,641.78 and 8,538,699.40 is: 12,809,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810,539.36 : 38,721,641.78 = 8,538,699.40 : x
  2. Step 2: Convert to fraction form
    25,810,539.36/38,721,641.78 = 8,538,699.40/x
  3. Step 3: Cross multiply
    25,810,539.36x = 38,721,641.78 × 8,538,699.40
  4. Step 4: Simplify right side
    25,810,539.36x = 330,632,459,433,900.94
  5. Step 5: Solve for x
    x = 330,632,459,433,900.94/25,810,539.36
  6. Step 6: Final answer
    x = 12,809,978.70

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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.