Home / 8,958,341.80-13,437,512.70-6,690,860.20

Finding the Fourth Proportional to 8,958,341.80, 13,437,512.70 and 6,690,860.20

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Solution

The fourth proportional to 8,958,341.80, 13,437,512.70 and 6,690,860.20 is: 10,036,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958,341.80 : 13,437,512.70 = 6,690,860.20 : x
  2. Step 2: Convert to fraction form
    8,958,341.80/13,437,512.70 = 6,690,860.20/x
  3. Step 3: Cross multiply
    8,958,341.80x = 13,437,512.70 × 6,690,860.20
  4. Step 4: Simplify right side
    8,958,341.80x = 89,908,518,911,424.53
  5. Step 5: Solve for x
    x = 89,908,518,911,424.53/8,958,341.80
  6. Step 6: Final answer
    x = 10,036,290.30

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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.