Home / 8,319,141.40-12,482,859.30-4,727,666.20

Finding the Fourth Proportional to 8,319,141.40, 12,482,859.30 and 4,727,666.20

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Solution

The fourth proportional to 8,319,141.40, 12,482,859.30 and 4,727,666.20 is: 7,093,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,141.40 : 12,482,859.30 = 4,727,666.20 : x
  2. Step 2: Convert to fraction form
    8,319,141.40/12,482,859.30 = 4,727,666.20/x
  3. Step 3: Cross multiply
    8,319,141.40x = 12,482,859.30 × 4,727,666.20
  4. Step 4: Simplify right side
    8,319,141.40x = 59,014,791,991,965.66
  5. Step 5: Solve for x
    x = 59,014,791,991,965.66/8,319,141.40
  6. Step 6: Final answer
    x = 7,093,856.10

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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.