Home / 10,857,994.40-14,980,672.32-6,272,642.72

Finding the Fourth Proportional to 10,857,994.40, 14,980,672.32 and 6,272,642.72

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Solution

The fourth proportional to 10,857,994.40, 14,980,672.32 and 6,272,642.72 is: 8,654,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857,994.40 : 14,980,672.32 = 6,272,642.72 : x
  2. Step 2: Convert to fraction form
    10,857,994.40/14,980,672.32 = 6,272,642.72/x
  3. Step 3: Cross multiply
    10,857,994.40x = 14,980,672.32 × 6,272,642.72
  4. Step 4: Simplify right side
    10,857,994.40x = 93,968,405,168,753.52
  5. Step 5: Solve for x
    x = 93,968,405,168,753.52/10,857,994.40
  6. Step 6: Final answer
    x = 8,654,305.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.