Home / 7,878,110.40-11,817,165.60-2,559,326.40

Finding the Fourth Proportional to 7,878,110.40, 11,817,165.60 and 2,559,326.40

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Solution

The fourth proportional to 7,878,110.40, 11,817,165.60 and 2,559,326.40 is: 3,838,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,110.40 : 11,817,165.60 = 2,559,326.40 : x
  2. Step 2: Convert to fraction form
    7,878,110.40/11,817,165.60 = 2,559,326.40/x
  3. Step 3: Cross multiply
    7,878,110.40x = 11,817,165.60 × 2,559,326.40
  4. Step 4: Simplify right side
    7,878,110.40x = 30,243,983,893,251.84
  5. Step 5: Solve for x
    x = 30,243,983,893,251.84/7,878,110.40
  6. Step 6: Final answer
    x = 3,838,989.60

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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.