Home / 10,516,517.47-15,774,776.21-2,538,341.47

Finding the Fourth Proportional to 10,516,517.47, 15,774,776.21 and 2,538,341.47

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Solution

The fourth proportional to 10,516,517.47, 15,774,776.21 and 2,538,341.47 is: 3,807,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,517.47 : 15,774,776.21 = 2,538,341.47 : x
  2. Step 2: Convert to fraction form
    10,516,517.47/15,774,776.21 = 2,538,341.47/x
  3. Step 3: Cross multiply
    10,516,517.47x = 15,774,776.21 × 2,538,341.47
  4. Step 4: Simplify right side
    10,516,517.47x = 40,041,768,633,812.44
  5. Step 5: Solve for x
    x = 40,041,768,633,812.44/10,516,517.47
  6. Step 6: Final answer
    x = 3,807,512.21

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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.