Home / 7,887,072.60-11,830,608.90-7,780,784.40

Finding the Fourth Proportional to 7,887,072.60, 11,830,608.90 and 7,780,784.40

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Solution

The fourth proportional to 7,887,072.60, 11,830,608.90 and 7,780,784.40 is: 11,671,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,072.60 : 11,830,608.90 = 7,780,784.40 : x
  2. Step 2: Convert to fraction form
    7,887,072.60/11,830,608.90 = 7,780,784.40/x
  3. Step 3: Cross multiply
    7,887,072.60x = 11,830,608.90 × 7,780,784.40
  4. Step 4: Simplify right side
    7,887,072.60x = 92,051,417,171,621.17
  5. Step 5: Solve for x
    x = 92,051,417,171,621.17/7,887,072.60
  6. Step 6: Final answer
    x = 11,671,176.60

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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.