Home / 28,875,027.60-43,312,541.40-18,125,485.20

Finding the Fourth Proportional to 28,875,027.60, 43,312,541.40 and 18,125,485.20

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Solution

The fourth proportional to 28,875,027.60, 43,312,541.40 and 18,125,485.20 is: 27,188,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875,027.60 : 43,312,541.40 = 18,125,485.20 : x
  2. Step 2: Convert to fraction form
    28,875,027.60/43,312,541.40 = 18,125,485.20/x
  3. Step 3: Cross multiply
    28,875,027.60x = 43,312,541.40 × 18,125,485.20
  4. Step 4: Simplify right side
    28,875,027.60x = 785,060,828,120,087.25
  5. Step 5: Solve for x
    x = 785,060,828,120,087.25/28,875,027.60
  6. Step 6: Final answer
    x = 27,188,227.80

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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.