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Finding the Fourth Proportional to 14,849,471.40, 22,256,492.40 and 13,326,007.20

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Solution

The fourth proportional to 14,849,471.40, 22,256,492.40 and 13,326,007.20 is: 19,973,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849,471.40 : 22,256,492.40 = 13,326,007.20 : x
  2. Step 2: Convert to fraction form
    14,849,471.40/22,256,492.40 = 13,326,007.20/x
  3. Step 3: Cross multiply
    14,849,471.40x = 22,256,492.40 × 13,326,007.20
  4. Step 4: Simplify right side
    14,849,471.40x = 296,590,177,969,145.25
  5. Step 5: Solve for x
    x = 296,590,177,969,145.25/14,849,471.40
  6. Step 6: Final answer
    x = 19,973,113.52

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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.