Home / 7,045,931.52-9,723,404.16-4,145,431.68

Finding the Fourth Proportional to 7,045,931.52, 9,723,404.16 and 4,145,431.68

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Solution

The fourth proportional to 7,045,931.52, 9,723,404.16 and 4,145,431.68 is: 5,720,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045,931.52 : 9,723,404.16 = 4,145,431.68 : x
  2. Step 2: Convert to fraction form
    7,045,931.52/9,723,404.16 = 4,145,431.68/x
  3. Step 3: Cross multiply
    7,045,931.52x = 9,723,404.16 × 4,145,431.68
  4. Step 4: Simplify right side
    7,045,931.52x = 40,307,707,642,307.79
  5. Step 5: Solve for x
    x = 40,307,707,642,307.79/7,045,931.52
  6. Step 6: Final answer
    x = 5,720,706.70

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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.