Home / 13,417,070.80-20,146,601.40-7,748,366.80

Finding the Fourth Proportional to 13,417,070.80, 20,146,601.40 and 7,748,366.80

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Solution

The fourth proportional to 13,417,070.80, 20,146,601.40 and 7,748,366.80 is: 11,634,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417,070.80 : 20,146,601.40 = 7,748,366.80 : x
  2. Step 2: Convert to fraction form
    13,417,070.80/20,146,601.40 = 7,748,366.80/x
  3. Step 3: Cross multiply
    13,417,070.80x = 20,146,601.40 × 7,748,366.80
  4. Step 4: Simplify right side
    13,417,070.80x = 156,103,257,420,593.50
  5. Step 5: Solve for x
    x = 156,103,257,420,593.50/13,417,070.80
  6. Step 6: Final answer
    x = 11,634,674.94

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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.