Home / 10,368,546.80-15,552,820.20-9,780,681.20

Finding the Fourth Proportional to 10,368,546.80, 15,552,820.20 and 9,780,681.20

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Solution

The fourth proportional to 10,368,546.80, 15,552,820.20 and 9,780,681.20 is: 14,671,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,546.80 : 15,552,820.20 = 9,780,681.20 : x
  2. Step 2: Convert to fraction form
    10,368,546.80/15,552,820.20 = 9,780,681.20/x
  3. Step 3: Cross multiply
    10,368,546.80x = 15,552,820.20 × 9,780,681.20
  4. Step 4: Simplify right side
    10,368,546.80x = 152,117,176,137,120.22
  5. Step 5: Solve for x
    x = 152,117,176,137,120.22/10,368,546.80
  6. Step 6: Final answer
    x = 14,671,021.80

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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.