Home / 19,681,204.60-29,521,806.90-11,178,148.60

Finding the Fourth Proportional to 19,681,204.60, 29,521,806.90 and 11,178,148.60

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Solution

The fourth proportional to 19,681,204.60, 29,521,806.90 and 11,178,148.60 is: 16,767,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,204.60 : 29,521,806.90 = 11,178,148.60 : x
  2. Step 2: Convert to fraction form
    19,681,204.60/29,521,806.90 = 11,178,148.60/x
  3. Step 3: Cross multiply
    19,681,204.60x = 29,521,806.90 × 11,178,148.60
  4. Step 4: Simplify right side
    19,681,204.60x = 329,999,144,468,705.31
  5. Step 5: Solve for x
    x = 329,999,144,468,705.31/19,681,204.60
  6. Step 6: Final answer
    x = 16,767,222.90

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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.