Home / 13,017,738.40-19,526,607.60-8,482,775.20

Finding the Fourth Proportional to 13,017,738.40, 19,526,607.60 and 8,482,775.20

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Solution

The fourth proportional to 13,017,738.40, 19,526,607.60 and 8,482,775.20 is: 12,724,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017,738.40 : 19,526,607.60 = 8,482,775.20 : x
  2. Step 2: Convert to fraction form
    13,017,738.40/19,526,607.60 = 8,482,775.20/x
  3. Step 3: Cross multiply
    13,017,738.40x = 19,526,607.60 × 8,482,775.20
  4. Step 4: Simplify right side
    13,017,738.40x = 165,639,822,689,411.53
  5. Step 5: Solve for x
    x = 165,639,822,689,411.53/13,017,738.40
  6. Step 6: Final answer
    x = 12,724,162.80

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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.