Home / 51,786,475.28-71,464,984.80-28,581,602.32

Finding the Fourth Proportional to 51,786,475.28, 71,464,984.80 and 28,581,602.32

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Solution

The fourth proportional to 51,786,475.28, 71,464,984.80 and 28,581,602.32 is: 39,442,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786,475.28 : 71,464,984.80 = 28,581,602.32 : x
  2. Step 2: Convert to fraction form
    51,786,475.28/71,464,984.80 = 28,581,602.32/x
  3. Step 3: Cross multiply
    51,786,475.28x = 71,464,984.80 × 28,581,602.32
  4. Step 4: Simplify right side
    51,786,475.28x = 2,042,583,775,358,444.75
  5. Step 5: Solve for x
    x = 2,042,583,775,358,444.75/51,786,475.28
  6. Step 6: Final answer
    x = 39,442,417.43

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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.