Home / 10,106,609.90-15,159,914.85-2,918,378.30

Finding the Fourth Proportional to 10,106,609.90, 15,159,914.85 and 2,918,378.30

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Solution

The fourth proportional to 10,106,609.90, 15,159,914.85 and 2,918,378.30 is: 4,377,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106,609.90 : 15,159,914.85 = 2,918,378.30 : x
  2. Step 2: Convert to fraction form
    10,106,609.90/15,159,914.85 = 2,918,378.30/x
  3. Step 3: Cross multiply
    10,106,609.90x = 15,159,914.85 × 2,918,378.30
  4. Step 4: Simplify right side
    10,106,609.90x = 44,242,366,528,087.75
  5. Step 5: Solve for x
    x = 44,242,366,528,087.75/10,106,609.90
  6. Step 6: Final answer
    x = 4,377,567.45

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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.