Home / 14,772,100.98-20,385,421.56-8,578,670.88

Finding the Fourth Proportional to 14,772,100.98, 20,385,421.56 and 8,578,670.88

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Solution

The fourth proportional to 14,772,100.98, 20,385,421.56 and 8,578,670.88 is: 11,838,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772,100.98 : 20,385,421.56 = 8,578,670.88 : x
  2. Step 2: Convert to fraction form
    14,772,100.98/20,385,421.56 = 8,578,670.88/x
  3. Step 3: Cross multiply
    14,772,100.98x = 20,385,421.56 × 8,578,670.88
  4. Step 4: Simplify right side
    14,772,100.98x = 174,879,822,313,296.19
  5. Step 5: Solve for x
    x = 174,879,822,313,296.19/14,772,100.98
  6. Step 6: Final answer
    x = 11,838,520.64

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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.