Home / 10,768,497.40-16,152,746.10-8,855,309.80

Finding the Fourth Proportional to 10,768,497.40, 16,152,746.10 and 8,855,309.80

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Solution

The fourth proportional to 10,768,497.40, 16,152,746.10 and 8,855,309.80 is: 13,282,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768,497.40 : 16,152,746.10 = 8,855,309.80 : x
  2. Step 2: Convert to fraction form
    10,768,497.40/16,152,746.10 = 8,855,309.80/x
  3. Step 3: Cross multiply
    10,768,497.40x = 16,152,746.10 × 8,855,309.80
  4. Step 4: Simplify right side
    10,768,497.40x = 143,037,570,836,241.78
  5. Step 5: Solve for x
    x = 143,037,570,836,241.78/10,768,497.40
  6. Step 6: Final answer
    x = 13,282,964.70

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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.