Home / 10,759,246.40-16,138,869.60-9,938,100.80

Finding the Fourth Proportional to 10,759,246.40, 16,138,869.60 and 9,938,100.80

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Solution

The fourth proportional to 10,759,246.40, 16,138,869.60 and 9,938,100.80 is: 14,907,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759,246.40 : 16,138,869.60 = 9,938,100.80 : x
  2. Step 2: Convert to fraction form
    10,759,246.40/16,138,869.60 = 9,938,100.80/x
  3. Step 3: Cross multiply
    10,759,246.40x = 16,138,869.60 × 9,938,100.80
  4. Step 4: Simplify right side
    10,759,246.40x = 160,389,712,882,855.69
  5. Step 5: Solve for x
    x = 160,389,712,882,855.69/10,759,246.40
  6. Step 6: Final answer
    x = 14,907,151.20

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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.