Home / 30,663,664.56-45,950,054.22-12,445,695.36

Finding the Fourth Proportional to 30,663,664.56, 45,950,054.22 and 12,445,695.36

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Solution

The fourth proportional to 30,663,664.56, 45,950,054.22 and 12,445,695.36 is: 18,650,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,663,664.56 : 45,950,054.22 = 12,445,695.36 : x
  2. Step 2: Convert to fraction form
    30,663,664.56/45,950,054.22 = 12,445,695.36/x
  3. Step 3: Cross multiply
    30,663,664.56x = 45,950,054.22 × 12,445,695.36
  4. Step 4: Simplify right side
    30,663,664.56x = 571,880,376,597,602.38
  5. Step 5: Solve for x
    x = 571,880,376,597,602.38/30,663,664.56
  6. Step 6: Final answer
    x = 18,650,098.90

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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.