Home / 7,788,323.40-11,678,985.90-2,994,419.40

Finding the Fourth Proportional to 7,788,323.40, 11,678,985.90 and 2,994,419.40

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Solution

The fourth proportional to 7,788,323.40, 11,678,985.90 and 2,994,419.40 is: 4,490,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,323.40 : 11,678,985.90 = 2,994,419.40 : x
  2. Step 2: Convert to fraction form
    7,788,323.40/11,678,985.90 = 2,994,419.40/x
  3. Step 3: Cross multiply
    7,788,323.40x = 11,678,985.90 × 2,994,419.40
  4. Step 4: Simplify right side
    7,788,323.40x = 34,971,781,951,286.46
  5. Step 5: Solve for x
    x = 34,971,781,951,286.46/7,788,323.40
  6. Step 6: Final answer
    x = 4,490,283.74

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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.