Home / 12,482,956.80-18,710,438.40-5,293,267.20

Finding the Fourth Proportional to 12,482,956.80, 18,710,438.40 and 5,293,267.20

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Solution

The fourth proportional to 12,482,956.80, 18,710,438.40 and 5,293,267.20 is: 7,933,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,956.80 : 18,710,438.40 = 5,293,267.20 : x
  2. Step 2: Convert to fraction form
    12,482,956.80/18,710,438.40 = 5,293,267.20/x
  3. Step 3: Cross multiply
    12,482,956.80x = 18,710,438.40 × 5,293,267.20
  4. Step 4: Simplify right side
    12,482,956.80x = 99,039,349,880,340.47
  5. Step 5: Solve for x
    x = 99,039,349,880,340.47/12,482,956.80
  6. Step 6: Final answer
    x = 7,933,965.60

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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.