Home / 13,191,140.40-19,786,710.60-11,065,376.40

Finding the Fourth Proportional to 13,191,140.40, 19,786,710.60 and 11,065,376.40

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Solution

The fourth proportional to 13,191,140.40, 19,786,710.60 and 11,065,376.40 is: 16,598,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,140.40 : 19,786,710.60 = 11,065,376.40 : x
  2. Step 2: Convert to fraction form
    13,191,140.40/19,786,710.60 = 11,065,376.40/x
  3. Step 3: Cross multiply
    13,191,140.40x = 19,786,710.60 × 11,065,376.40
  4. Step 4: Simplify right side
    13,191,140.40x = 218,947,400,506,869.88
  5. Step 5: Solve for x
    x = 218,947,400,506,869.88/13,191,140.40
  6. Step 6: Final answer
    x = 16,598,064.60

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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.