Home / 47,952,001.60-71,928,002.40-21,025,657.60

Finding the Fourth Proportional to 47,952,001.60, 71,928,002.40 and 21,025,657.60

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Solution

The fourth proportional to 47,952,001.60, 71,928,002.40 and 21,025,657.60 is: 31,538,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,952,001.60 : 71,928,002.40 = 21,025,657.60 : x
  2. Step 2: Convert to fraction form
    47,952,001.60/71,928,002.40 = 21,025,657.60/x
  3. Step 3: Cross multiply
    47,952,001.60x = 71,928,002.40 × 21,025,657.60
  4. Step 4: Simplify right side
    47,952,001.60x = 1,512,333,550,314,378.50
  5. Step 5: Solve for x
    x = 1,512,333,550,314,378.50/47,952,001.60
  6. Step 6: Final answer
    x = 31,538,486.40

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1.5x scale

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.