Home / 8,761,962.40-13,128,812.40-4,964,151.20

Finding the Fourth Proportional to 8,761,962.40, 13,128,812.40 and 4,964,151.20

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Solution

The fourth proportional to 8,761,962.40, 13,128,812.40 and 4,964,151.20 is: 7,438,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,962.40 : 13,128,812.40 = 4,964,151.20 : x
  2. Step 2: Convert to fraction form
    8,761,962.40/13,128,812.40 = 4,964,151.20/x
  3. Step 3: Cross multiply
    8,761,962.40x = 13,128,812.40 × 4,964,151.20
  4. Step 4: Simplify right side
    8,761,962.40x = 65,173,409,830,034.88
  5. Step 5: Solve for x
    x = 65,173,409,830,034.88/8,761,962.40
  6. Step 6: Final answer
    x = 7,438,220.67

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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.