Home / 31,758,648.32-47,638,265.16-9,039,539.36

Finding the Fourth Proportional to 31,758,648.32, 47,638,265.16 and 9,039,539.36

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Solution

The fourth proportional to 31,758,648.32, 47,638,265.16 and 9,039,539.36 is: 13,559,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758,648.32 : 47,638,265.16 = 9,039,539.36 : x
  2. Step 2: Convert to fraction form
    31,758,648.32/47,638,265.16 = 9,039,539.36/x
  3. Step 3: Cross multiply
    31,758,648.32x = 47,638,265.16 × 9,039,539.36
  4. Step 4: Simplify right side
    31,758,648.32x = 430,627,972,955,936.62
  5. Step 5: Solve for x
    x = 430,627,972,955,936.62/31,758,648.32
  6. Step 6: Final answer
    x = 13,559,392.35

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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.