Home / 13,886,713.10-20,830,069.65-4,911,265.10

Finding the Fourth Proportional to 13,886,713.10, 20,830,069.65 and 4,911,265.10

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Solution

The fourth proportional to 13,886,713.10, 20,830,069.65 and 4,911,265.10 is: 7,366,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,713.10 : 20,830,069.65 = 4,911,265.10 : x
  2. Step 2: Convert to fraction form
    13,886,713.10/20,830,069.65 = 4,911,265.10/x
  3. Step 3: Cross multiply
    13,886,713.10x = 20,830,069.65 × 4,911,265.10
  4. Step 4: Simplify right side
    13,886,713.10x = 102,301,994,102,614.20
  5. Step 5: Solve for x
    x = 102,301,994,102,614.20/13,886,713.10
  6. Step 6: Final answer
    x = 7,366,897.65

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Similar ratio
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1.5x scale

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.