Home / 47,366,135.10-65,370,937.95-28,784,311.47

Finding the Fourth Proportional to 47,366,135.10, 65,370,937.95 and 28,784,311.47

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Solution

The fourth proportional to 47,366,135.10, 65,370,937.95 and 28,784,311.47 is: 39,725,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,366,135.10 : 65,370,937.95 = 28,784,311.47 : x
  2. Step 2: Convert to fraction form
    47,366,135.10/65,370,937.95 = 28,784,311.47/x
  3. Step 3: Cross multiply
    47,366,135.10x = 65,370,937.95 × 28,784,311.47
  4. Step 4: Simplify right side
    47,366,135.10x = 1,881,657,439,038,843.25
  5. Step 5: Solve for x
    x = 1,881,657,439,038,843.25/47,366,135.10
  6. Step 6: Final answer
    x = 39,725,796.40

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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.