Home / 19,681,281.60-29,521,922.40-12,083,611.20

Finding the Fourth Proportional to 19,681,281.60, 29,521,922.40 and 12,083,611.20

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Solution

The fourth proportional to 19,681,281.60, 29,521,922.40 and 12,083,611.20 is: 18,125,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,281.60 : 29,521,922.40 = 12,083,611.20 : x
  2. Step 2: Convert to fraction form
    19,681,281.60/29,521,922.40 = 12,083,611.20/x
  3. Step 3: Cross multiply
    19,681,281.60x = 29,521,922.40 × 12,083,611.20
  4. Step 4: Simplify right side
    19,681,281.60x = 356,731,432,158,170.81
  5. Step 5: Solve for x
    x = 356,731,432,158,170.81/19,681,281.60
  6. Step 6: Final answer
    x = 18,125,416.80

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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.