Home / 10,333,503.90-15,493,257.45-5,280,659.10

Finding the Fourth Proportional to 10,333,503.90, 15,493,257.45 and 5,280,659.10

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Solution

The fourth proportional to 10,333,503.90, 15,493,257.45 and 5,280,659.10 is: 7,917,412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333,503.90 : 15,493,257.45 = 5,280,659.10 : x
  2. Step 2: Convert to fraction form
    10,333,503.90/15,493,257.45 = 5,280,659.10/x
  3. Step 3: Cross multiply
    10,333,503.90x = 15,493,257.45 × 5,280,659.10
  4. Step 4: Simplify right side
    10,333,503.90x = 81,814,610,941,985.28
  5. Step 5: Solve for x
    x = 81,814,610,941,985.28/10,333,503.90
  6. Step 6: Final answer
    x = 7,917,412.31

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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.