Home / 7,485,431.08-10,329,956.66-4,132,705.40

Finding the Fourth Proportional to 7,485,431.08, 10,329,956.66 and 4,132,705.40

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Solution

The fourth proportional to 7,485,431.08, 10,329,956.66 and 4,132,705.40 is: 5,703,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,431.08 : 10,329,956.66 = 4,132,705.40 : x
  2. Step 2: Convert to fraction form
    7,485,431.08/10,329,956.66 = 4,132,705.40/x
  3. Step 3: Cross multiply
    7,485,431.08x = 10,329,956.66 × 4,132,705.40
  4. Step 4: Simplify right side
    7,485,431.08x = 42,690,667,670,547.96
  5. Step 5: Solve for x
    x = 42,690,667,670,547.96/7,485,431.08
  6. Step 6: Final answer
    x = 5,703,167.55

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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.