Home / 25,769,171.32-35,559,341.21-15,170,878.80

Finding the Fourth Proportional to 25,769,171.32, 35,559,341.21 and 15,170,878.80

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Solution

The fourth proportional to 25,769,171.32, 35,559,341.21 and 15,170,878.80 is: 20,934,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769,171.32 : 35,559,341.21 = 15,170,878.80 : x
  2. Step 2: Convert to fraction form
    25,769,171.32/35,559,341.21 = 15,170,878.80/x
  3. Step 3: Cross multiply
    25,769,171.32x = 35,559,341.21 × 15,170,878.80
  4. Step 4: Simplify right side
    25,769,171.32x = 539,466,455,742,682.56
  5. Step 5: Solve for x
    x = 539,466,455,742,682.56/25,769,171.32
  6. Step 6: Final answer
    x = 20,934,567.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.