Home / 7,450,690.59-10,282,805.55-4,143,314.79

Finding the Fourth Proportional to 7,450,690.59, 10,282,805.55 and 4,143,314.79

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Solution

The fourth proportional to 7,450,690.59, 10,282,805.55 and 4,143,314.79 is: 5,718,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450,690.59 : 10,282,805.55 = 4,143,314.79 : x
  2. Step 2: Convert to fraction form
    7,450,690.59/10,282,805.55 = 4,143,314.79/x
  3. Step 3: Cross multiply
    7,450,690.59x = 10,282,805.55 × 4,143,314.79
  4. Step 4: Simplify right side
    7,450,690.59x = 42,604,900,318,009.09
  5. Step 5: Solve for x
    x = 42,604,900,318,009.09/7,450,690.59
  6. Step 6: Final answer
    x = 5,718,248.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.