Home / 8,690,720.40-13,036,015.80-2,625,440.40

Finding the Fourth Proportional to 8,690,720.40, 13,036,015.80 and 2,625,440.40

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Solution

The fourth proportional to 8,690,720.40, 13,036,015.80 and 2,625,440.40 is: 3,938,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,720.40 : 13,036,015.80 = 2,625,440.40 : x
  2. Step 2: Convert to fraction form
    8,690,720.40/13,036,015.80 = 2,625,440.40/x
  3. Step 3: Cross multiply
    8,690,720.40x = 13,036,015.80 × 2,625,440.40
  4. Step 4: Simplify right side
    8,690,720.40x = 34,225,282,536,358.32
  5. Step 5: Solve for x
    x = 34,225,282,536,358.32/8,690,720.40
  6. Step 6: Final answer
    x = 3,938,141.02

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1.5x scale

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.