Home / 28,397,807.70-42,596,711.55-8,205,090.90

Finding the Fourth Proportional to 28,397,807.70, 42,596,711.55 and 8,205,090.90

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Solution

The fourth proportional to 28,397,807.70, 42,596,711.55 and 8,205,090.90 is: 12,307,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397,807.70 : 42,596,711.55 = 8,205,090.90 : x
  2. Step 2: Convert to fraction form
    28,397,807.70/42,596,711.55 = 8,205,090.90/x
  3. Step 3: Cross multiply
    28,397,807.70x = 42,596,711.55 × 8,205,090.90
  4. Step 4: Simplify right side
    28,397,807.70x = 349,509,890,308,829.88
  5. Step 5: Solve for x
    x = 349,509,890,308,829.88/28,397,807.70
  6. Step 6: Final answer
    x = 12,307,636.35

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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.