Home / 19,154,417.80-28,731,626.70-11,974,059.40

Finding the Fourth Proportional to 19,154,417.80, 28,731,626.70 and 11,974,059.40

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Solution

The fourth proportional to 19,154,417.80, 28,731,626.70 and 11,974,059.40 is: 17,961,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154,417.80 : 28,731,626.70 = 11,974,059.40 : x
  2. Step 2: Convert to fraction form
    19,154,417.80/28,731,626.70 = 11,974,059.40/x
  3. Step 3: Cross multiply
    19,154,417.80x = 28,731,626.70 × 11,974,059.40
  4. Step 4: Simplify right side
    19,154,417.80x = 344,034,204,764,426
  5. Step 5: Solve for x
    x = 344,034,204,764,426/19,154,417.80
  6. Step 6: Final answer
    x = 17,961,089.10

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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.