Home / 10,333,503.40-15,493,256.70-5,280,658.60

Finding the Fourth Proportional to 10,333,503.40, 15,493,256.70 and 5,280,658.60

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Solution

The fourth proportional to 10,333,503.40, 15,493,256.70 and 5,280,658.60 is: 7,917,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333,503.40 : 15,493,256.70 = 5,280,658.60 : x
  2. Step 2: Convert to fraction form
    10,333,503.40/15,493,256.70 = 5,280,658.60/x
  3. Step 3: Cross multiply
    10,333,503.40x = 15,493,256.70 × 5,280,658.60
  4. Step 4: Simplify right side
    10,333,503.40x = 81,814,599,234,862.61
  5. Step 5: Solve for x
    x = 81,814,599,234,862.61/10,333,503.40
  6. Step 6: Final answer
    x = 7,917,411.56

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1.5x scale

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.