Home / 7,721,331.08-10,651,009.85-4,815,677.41

Finding the Fourth Proportional to 7,721,331.08, 10,651,009.85 and 4,815,677.41

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Solution

The fourth proportional to 7,721,331.08, 10,651,009.85 and 4,815,677.41 is: 6,642,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,331.08 : 10,651,009.85 = 4,815,677.41 : x
  2. Step 2: Convert to fraction form
    7,721,331.08/10,651,009.85 = 4,815,677.41/x
  3. Step 3: Cross multiply
    7,721,331.08x = 10,651,009.85 × 4,815,677.41
  4. Step 4: Simplify right side
    7,721,331.08x = 51,291,827,495,685.37
  5. Step 5: Solve for x
    x = 51,291,827,495,685.37/7,721,331.08
  6. Step 6: Final answer
    x = 6,642,873.75

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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.