Home / 7,772,793.81-11,655,804.59-4,128,726.24

Finding the Fourth Proportional to 7,772,793.81, 11,655,804.59 and 4,128,726.24

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Solution

The fourth proportional to 7,772,793.81, 11,655,804.59 and 4,128,726.24 is: 6,191,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,793.81 : 11,655,804.59 = 4,128,726.24 : x
  2. Step 2: Convert to fraction form
    7,772,793.81/11,655,804.59 = 4,128,726.24/x
  3. Step 3: Cross multiply
    7,772,793.81x = 11,655,804.59 × 4,128,726.24
  4. Step 4: Simplify right side
    7,772,793.81x = 48,123,626,259,045.45
  5. Step 5: Solve for x
    x = 48,123,626,259,045.45/7,772,793.81
  6. Step 6: Final answer
    x = 6,191,290.73

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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.