Home / 10,332,846.40-15,492,271.20-5,280,001.60

Finding the Fourth Proportional to 10,332,846.40, 15,492,271.20 and 5,280,001.60

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Solution

The fourth proportional to 10,332,846.40, 15,492,271.20 and 5,280,001.60 is: 7,916,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332,846.40 : 15,492,271.20 = 5,280,001.60 : x
  2. Step 2: Convert to fraction form
    10,332,846.40/15,492,271.20 = 5,280,001.60/x
  3. Step 3: Cross multiply
    10,332,846.40x = 15,492,271.20 × 5,280,001.60
  4. Step 4: Simplify right side
    10,332,846.40x = 81,799,216,723,633.91
  5. Step 5: Solve for x
    x = 81,799,216,723,633.91/10,332,846.40
  6. Step 6: Final answer
    x = 7,916,426.27

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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.