Home / 27,218,745.20-40,828,117.80-25,140,220.40

Finding the Fourth Proportional to 27,218,745.20, 40,828,117.80 and 25,140,220.40

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Solution

The fourth proportional to 27,218,745.20, 40,828,117.80 and 25,140,220.40 is: 37,710,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,745.20 : 40,828,117.80 = 25,140,220.40 : x
  2. Step 2: Convert to fraction form
    27,218,745.20/40,828,117.80 = 25,140,220.40/x
  3. Step 3: Cross multiply
    27,218,745.20x = 40,828,117.80 × 25,140,220.40
  4. Step 4: Simplify right side
    27,218,745.20x = 1,026,427,880,009,163
  5. Step 5: Solve for x
    x = 1,026,427,880,009,163/27,218,745.20
  6. Step 6: Final answer
    x = 37,710,330.60

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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.