Home / 46,571,905.28-69,780,630.36-28,320,892.72

Finding the Fourth Proportional to 46,571,905.28, 69,780,630.36 and 28,320,892.72

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Solution

The fourth proportional to 46,571,905.28, 69,780,630.36 and 28,320,892.72 is: 42,434,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,571,905.28 : 69,780,630.36 = 28,320,892.72 : x
  2. Step 2: Convert to fraction form
    46,571,905.28/69,780,630.36 = 28,320,892.72/x
  3. Step 3: Cross multiply
    46,571,905.28x = 69,780,630.36 × 28,320,892.72
  4. Step 4: Simplify right side
    46,571,905.28x = 1,976,249,746,359,535
  5. Step 5: Solve for x
    x = 1,976,249,746,359,535/46,571,905.28
  6. Step 6: Final answer
    x = 42,434,376.14

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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.