Home / 12,012,782.04-16,577,632.80-6,506,156.88

Finding the Fourth Proportional to 12,012,782.04, 16,577,632.80 and 6,506,156.88

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Solution

The fourth proportional to 12,012,782.04, 16,577,632.80 and 6,506,156.88 is: 8,978,493.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,782.04 : 16,577,632.80 = 6,506,156.88 : x
  2. Step 2: Convert to fraction form
    12,012,782.04/16,577,632.80 = 6,506,156.88/x
  3. Step 3: Cross multiply
    12,012,782.04x = 16,577,632.80 × 6,506,156.88
  4. Step 4: Simplify right side
    12,012,782.04x = 107,856,679,695,833.67
  5. Step 5: Solve for x
    x = 107,856,679,695,833.67/12,012,782.04
  6. Step 6: Final answer
    x = 8,978,493.02

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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.