Home / 30,279,490.95-45,365,108.18-18,427,044.45

Finding the Fourth Proportional to 30,279,490.95, 45,365,108.18 and 18,427,044.45

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Solution

The fourth proportional to 30,279,490.95, 45,365,108.18 and 18,427,044.45 is: 27,607,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279,490.95 : 45,365,108.18 = 18,427,044.45 : x
  2. Step 2: Convert to fraction form
    30,279,490.95/45,365,108.18 = 18,427,044.45/x
  3. Step 3: Cross multiply
    30,279,490.95x = 45,365,108.18 × 18,427,044.45
  4. Step 4: Simplify right side
    30,279,490.95x = 835,944,864,819,783.25
  5. Step 5: Solve for x
    x = 835,944,864,819,783.25/30,279,490.95
  6. Step 6: Final answer
    x = 27,607,626.11

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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.