Home / 19,431,492.81-29,157,326.76-7,925,401.50

Finding the Fourth Proportional to 19,431,492.81, 29,157,326.76 and 7,925,401.50

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Solution

The fourth proportional to 19,431,492.81, 29,157,326.76 and 7,925,401.50 is: 11,892,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,492.81 : 29,157,326.76 = 7,925,401.50 : x
  2. Step 2: Convert to fraction form
    19,431,492.81/29,157,326.76 = 7,925,401.50/x
  3. Step 3: Cross multiply
    19,431,492.81x = 29,157,326.76 × 7,925,401.50
  4. Step 4: Simplify right side
    19,431,492.81x = 231,083,521,257,209.84
  5. Step 5: Solve for x
    x = 231,083,521,257,209.84/19,431,492.81
  6. Step 6: Final answer
    x = 11,892,216.59

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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.