Home / 6,477,987.76-9,722,878.48-3,447,897.68

Finding the Fourth Proportional to 6,477,987.76, 9,722,878.48 and 3,447,897.68

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Solution

The fourth proportional to 6,477,987.76, 9,722,878.48 and 3,447,897.68 is: 5,174,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,987.76 : 9,722,878.48 = 3,447,897.68 : x
  2. Step 2: Convert to fraction form
    6,477,987.76/9,722,878.48 = 3,447,897.68/x
  3. Step 3: Cross multiply
    6,477,987.76x = 9,722,878.48 × 3,447,897.68
  4. Step 4: Simplify right side
    6,477,987.76x = 33,523,490,154,113.93
  5. Step 5: Solve for x
    x = 33,523,490,154,113.93/6,477,987.76
  6. Step 6: Final answer
    x = 5,174,985.10

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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.