Home / 28,643,265.28-42,963,732.64-7,077,323.92

Finding the Fourth Proportional to 28,643,265.28, 42,963,732.64 and 7,077,323.92

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Solution

The fourth proportional to 28,643,265.28, 42,963,732.64 and 7,077,323.92 is: 10,615,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643,265.28 : 42,963,732.64 = 7,077,323.92 : x
  2. Step 2: Convert to fraction form
    28,643,265.28/42,963,732.64 = 7,077,323.92/x
  3. Step 3: Cross multiply
    28,643,265.28x = 42,963,732.64 × 7,077,323.92
  4. Step 4: Simplify right side
    28,643,265.28x = 304,068,252,705,556.75
  5. Step 5: Solve for x
    x = 304,068,252,705,556.75/28,643,265.28
  6. Step 6: Final answer
    x = 10,615,697.96

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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.