Home / 28,430,836.67-42,646,379.99-9,000,158.15

Finding the Fourth Proportional to 28,430,836.67, 42,646,379.99 and 9,000,158.15

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Solution

The fourth proportional to 28,430,836.67, 42,646,379.99 and 9,000,158.15 is: 13,500,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,836.67 : 42,646,379.99 = 9,000,158.15 : x
  2. Step 2: Convert to fraction form
    28,430,836.67/42,646,379.99 = 9,000,158.15/x
  3. Step 3: Cross multiply
    28,430,836.67x = 42,646,379.99 × 9,000,158.15
  4. Step 4: Simplify right side
    28,430,836.67x = 383,824,164,176,762.69
  5. Step 5: Solve for x
    x = 383,824,164,176,762.69/28,430,836.67
  6. Step 6: Final answer
    x = 13,500,276.78

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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.