Home / 10,658,701.20-15,988,051.80-7,467,430.80

Finding the Fourth Proportional to 10,658,701.20, 15,988,051.80 and 7,467,430.80

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Solution

The fourth proportional to 10,658,701.20, 15,988,051.80 and 7,467,430.80 is: 11,201,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658,701.20 : 15,988,051.80 = 7,467,430.80 : x
  2. Step 2: Convert to fraction form
    10,658,701.20/15,988,051.80 = 7,467,430.80/x
  3. Step 3: Cross multiply
    10,658,701.20x = 15,988,051.80 × 7,467,430.80
  4. Step 4: Simplify right side
    10,658,701.20x = 119,389,670,443,315.44
  5. Step 5: Solve for x
    x = 119,389,670,443,315.44/10,658,701.20
  6. Step 6: Final answer
    x = 11,201,146.20

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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.