Home / 7,860,814.30-10,852,181.76-5,513,221.52

Finding the Fourth Proportional to 7,860,814.30, 10,852,181.76 and 5,513,221.52

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Solution

The fourth proportional to 7,860,814.30, 10,852,181.76 and 5,513,221.52 is: 7,611,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860,814.30 : 10,852,181.76 = 5,513,221.52 : x
  2. Step 2: Convert to fraction form
    7,860,814.30/10,852,181.76 = 5,513,221.52/x
  3. Step 3: Cross multiply
    7,860,814.30x = 10,852,181.76 × 5,513,221.52
  4. Step 4: Simplify right side
    7,860,814.30x = 59,830,481,963,922.56
  5. Step 5: Solve for x
    x = 59,830,481,963,922.56/7,860,814.30
  6. Step 6: Final answer
    x = 7,611,232.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.