Home / 7,776,172.40-11,648,512.20-4,406,442.80

Finding the Fourth Proportional to 7,776,172.40, 11,648,512.20 and 4,406,442.80

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Solution

The fourth proportional to 7,776,172.40, 11,648,512.20 and 4,406,442.80 is: 6,600,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,172.40 : 11,648,512.20 = 4,406,442.80 : x
  2. Step 2: Convert to fraction form
    7,776,172.40/11,648,512.20 = 4,406,442.80/x
  3. Step 3: Cross multiply
    7,776,172.40x = 11,648,512.20 × 4,406,442.80
  4. Step 4: Simplify right side
    7,776,172.40x = 51,328,502,714,402.16
  5. Step 5: Solve for x
    x = 51,328,502,714,402.16/7,776,172.40
  6. Step 6: Final answer
    x = 6,600,741.35

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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.