Home / 27,218,401.20-40,827,601.80-7,023,643.20

Finding the Fourth Proportional to 27,218,401.20, 40,827,601.80 and 7,023,643.20

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Solution

The fourth proportional to 27,218,401.20, 40,827,601.80 and 7,023,643.20 is: 10,535,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,401.20 : 40,827,601.80 = 7,023,643.20 : x
  2. Step 2: Convert to fraction form
    27,218,401.20/40,827,601.80 = 7,023,643.20/x
  3. Step 3: Cross multiply
    27,218,401.20x = 40,827,601.80 × 7,023,643.20
  4. Step 4: Simplify right side
    27,218,401.20x = 286,758,507,754,877.75
  5. Step 5: Solve for x
    x = 286,758,507,754,877.75/27,218,401.20
  6. Step 6: Final answer
    x = 10,535,464.80

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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.