Home / 13,112,438.40-19,668,657.60-10,986,674.40

Finding the Fourth Proportional to 13,112,438.40, 19,668,657.60 and 10,986,674.40

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Solution

The fourth proportional to 13,112,438.40, 19,668,657.60 and 10,986,674.40 is: 16,480,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,438.40 : 19,668,657.60 = 10,986,674.40 : x
  2. Step 2: Convert to fraction form
    13,112,438.40/19,668,657.60 = 10,986,674.40/x
  3. Step 3: Cross multiply
    13,112,438.40x = 19,668,657.60 × 10,986,674.40
  4. Step 4: Simplify right side
    13,112,438.40x = 216,093,136,936,285.47
  5. Step 5: Solve for x
    x = 216,093,136,936,285.47/13,112,438.40
  6. Step 6: Final answer
    x = 16,480,011.60

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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.