Home / 30,138,179-45,207,313.86-13,955,312.12

Finding the Fourth Proportional to 30,138,179, 45,207,313.86 and 13,955,312.12

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Solution

The fourth proportional to 30,138,179, 45,207,313.86 and 13,955,312.12 is: 20,932,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138,179 : 45,207,313.86 = 13,955,312.12 : x
  2. Step 2: Convert to fraction form
    30,138,179/45,207,313.86 = 13,955,312.12/x
  3. Step 3: Cross multiply
    30,138,179x = 45,207,313.86 × 13,955,312.12
  4. Step 4: Simplify right side
    30,138,179x = 630,882,175,023,102
  5. Step 5: Solve for x
    x = 630,882,175,023,102/30,138,179
  6. Step 6: Final answer
    x = 20,932,989.18

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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.