Home / 10,368,307.20-15,552,460.80-6,561,177.60

Finding the Fourth Proportional to 10,368,307.20, 15,552,460.80 and 6,561,177.60

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Solution

The fourth proportional to 10,368,307.20, 15,552,460.80 and 6,561,177.60 is: 9,841,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,307.20 : 15,552,460.80 = 6,561,177.60 : x
  2. Step 2: Convert to fraction form
    10,368,307.20/15,552,460.80 = 6,561,177.60/x
  3. Step 3: Cross multiply
    10,368,307.20x = 15,552,460.80 × 6,561,177.60
  4. Step 4: Simplify right side
    10,368,307.20x = 102,042,457,425,838.08
  5. Step 5: Solve for x
    x = 102,042,457,425,838.08/10,368,307.20
  6. Step 6: Final answer
    x = 9,841,766.40

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1.5x scale

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.