Home / 8,859,376.80-13,289,065.20-4,828,298.40

Finding the Fourth Proportional to 8,859,376.80, 13,289,065.20 and 4,828,298.40

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Solution

The fourth proportional to 8,859,376.80, 13,289,065.20 and 4,828,298.40 is: 7,242,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,376.80 : 13,289,065.20 = 4,828,298.40 : x
  2. Step 2: Convert to fraction form
    8,859,376.80/13,289,065.20 = 4,828,298.40/x
  3. Step 3: Cross multiply
    8,859,376.80x = 13,289,065.20 × 4,828,298.40
  4. Step 4: Simplify right side
    8,859,376.80x = 64,163,572,242,655.68
  5. Step 5: Solve for x
    x = 64,163,572,242,655.68/8,859,376.80
  6. Step 6: Final answer
    x = 7,242,447.60

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Similar ratio
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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.