Home / 42,768,014.70-64,152,022.05-10,855,310.70

Finding the Fourth Proportional to 42,768,014.70, 64,152,022.05 and 10,855,310.70

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Solution

The fourth proportional to 42,768,014.70, 64,152,022.05 and 10,855,310.70 is: 16,282,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,014.70 : 64,152,022.05 = 10,855,310.70 : x
  2. Step 2: Convert to fraction form
    42,768,014.70/64,152,022.05 = 10,855,310.70/x
  3. Step 3: Cross multiply
    42,768,014.70x = 64,152,022.05 × 10,855,310.70
  4. Step 4: Simplify right side
    42,768,014.70x = 696,390,131,386,000.88
  5. Step 5: Solve for x
    x = 696,390,131,386,000.88/42,768,014.70
  6. Step 6: Final answer
    x = 16,282,966.05

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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.