Home / 7,788,705.80-11,680,985.10-2,397,345.80

Finding the Fourth Proportional to 7,788,705.80, 11,680,985.10 and 2,397,345.80

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Solution

The fourth proportional to 7,788,705.80, 11,680,985.10 and 2,397,345.80 is: 3,595,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,705.80 : 11,680,985.10 = 2,397,345.80 : x
  2. Step 2: Convert to fraction form
    7,788,705.80/11,680,985.10 = 2,397,345.80/x
  3. Step 3: Cross multiply
    7,788,705.80x = 11,680,985.10 × 2,397,345.80
  4. Step 4: Simplify right side
    7,788,705.80x = 28,003,360,569,347.58
  5. Step 5: Solve for x
    x = 28,003,360,569,347.58/7,788,705.80
  6. Step 6: Final answer
    x = 3,595,380.45

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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.