Home / 10,702,173.57-14,744,759.65-10,191,990.21

Finding the Fourth Proportional to 10,702,173.57, 14,744,759.65 and 10,191,990.21

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Solution

The fourth proportional to 10,702,173.57, 14,744,759.65 and 10,191,990.21 is: 14,041,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702,173.57 : 14,744,759.65 = 10,191,990.21 : x
  2. Step 2: Convert to fraction form
    10,702,173.57/14,744,759.65 = 10,191,990.21/x
  3. Step 3: Cross multiply
    10,702,173.57x = 14,744,759.65 × 10,191,990.21
  4. Step 4: Simplify right side
    10,702,173.57x = 150,278,445,920,830.22
  5. Step 5: Solve for x
    x = 150,278,445,920,830.22/10,702,173.57
  6. Step 6: Final answer
    x = 14,041,862.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.