Home / 28,026,030.16-42,035,429.40-8,858,724.76

Finding the Fourth Proportional to 28,026,030.16, 42,035,429.40 and 8,858,724.76

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Solution

The fourth proportional to 28,026,030.16, 42,035,429.40 and 8,858,724.76 is: 13,286,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,030.16 : 42,035,429.40 = 8,858,724.76 : x
  2. Step 2: Convert to fraction form
    28,026,030.16/42,035,429.40 = 8,858,724.76/x
  3. Step 3: Cross multiply
    28,026,030.16x = 42,035,429.40 × 8,858,724.76
  4. Step 4: Simplify right side
    28,026,030.16x = 372,380,299,223,011.94
  5. Step 5: Solve for x
    x = 372,380,299,223,011.94/28,026,030.16
  6. Step 6: Final answer
    x = 13,286,944.21

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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.