Home / 27,279,931.20-40,935,643.20-10,242,326.40

Finding the Fourth Proportional to 27,279,931.20, 40,935,643.20 and 10,242,326.40

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Solution

The fourth proportional to 27,279,931.20, 40,935,643.20 and 10,242,326.40 is: 15,369,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279,931.20 : 40,935,643.20 = 10,242,326.40 : x
  2. Step 2: Convert to fraction form
    27,279,931.20/40,935,643.20 = 10,242,326.40/x
  3. Step 3: Cross multiply
    27,279,931.20x = 40,935,643.20 × 10,242,326.40
  4. Step 4: Simplify right side
    27,279,931.20x = 419,276,219,048,340.50
  5. Step 5: Solve for x
    x = 419,276,219,048,340.50/27,279,931.20
  6. Step 6: Final answer
    x = 15,369,401.63

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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.