Home / 8,865,807.40-13,298,711.10-3,186,605.80

Finding the Fourth Proportional to 8,865,807.40, 13,298,711.10 and 3,186,605.80

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Solution

The fourth proportional to 8,865,807.40, 13,298,711.10 and 3,186,605.80 is: 4,779,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865,807.40 : 13,298,711.10 = 3,186,605.80 : x
  2. Step 2: Convert to fraction form
    8,865,807.40/13,298,711.10 = 3,186,605.80/x
  3. Step 3: Cross multiply
    8,865,807.40x = 13,298,711.10 × 3,186,605.80
  4. Step 4: Simplify right side
    8,865,807.40x = 42,377,749,923,784.38
  5. Step 5: Solve for x
    x = 42,377,749,923,784.38/8,865,807.40
  6. Step 6: Final answer
    x = 4,779,908.70

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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.