Home / 28,963,211.80-43,431,987.30-9,788,762.20

Finding the Fourth Proportional to 28,963,211.80, 43,431,987.30 and 9,788,762.20

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Solution

The fourth proportional to 28,963,211.80, 43,431,987.30 and 9,788,762.20 is: 14,678,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963,211.80 : 43,431,987.30 = 9,788,762.20 : x
  2. Step 2: Convert to fraction form
    28,963,211.80/43,431,987.30 = 9,788,762.20/x
  3. Step 3: Cross multiply
    28,963,211.80x = 43,431,987.30 × 9,788,762.20
  4. Step 4: Simplify right side
    28,963,211.80x = 425,145,395,553,120
  5. Step 5: Solve for x
    x = 425,145,395,553,120/28,963,211.80
  6. Step 6: Final answer
    x = 14,678,806.98

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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.