Home / 13,287,528.30-19,931,292.45-11,374,340.70

Finding the Fourth Proportional to 13,287,528.30, 19,931,292.45 and 11,374,340.70

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Solution

The fourth proportional to 13,287,528.30, 19,931,292.45 and 11,374,340.70 is: 17,061,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,528.30 : 19,931,292.45 = 11,374,340.70 : x
  2. Step 2: Convert to fraction form
    13,287,528.30/19,931,292.45 = 11,374,340.70/x
  3. Step 3: Cross multiply
    13,287,528.30x = 19,931,292.45 × 11,374,340.70
  4. Step 4: Simplify right side
    13,287,528.30x = 226,705,310,917,637.69
  5. Step 5: Solve for x
    x = 226,705,310,917,637.69/13,287,528.30
  6. Step 6: Final answer
    x = 17,061,511.05

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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.