Home / 8,690,816.40-13,036,159.80-2,625,536.40

Finding the Fourth Proportional to 8,690,816.40, 13,036,159.80 and 2,625,536.40

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Solution

The fourth proportional to 8,690,816.40, 13,036,159.80 and 2,625,536.40 is: 3,938,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,816.40 : 13,036,159.80 = 2,625,536.40 : x
  2. Step 2: Convert to fraction form
    8,690,816.40/13,036,159.80 = 2,625,536.40/x
  3. Step 3: Cross multiply
    8,690,816.40x = 13,036,159.80 × 2,625,536.40
  4. Step 4: Simplify right side
    8,690,816.40x = 34,226,912,071,116.72
  5. Step 5: Solve for x
    x = 34,226,912,071,116.72/8,690,816.40
  6. Step 6: Final answer
    x = 3,938,285.02

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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.