Home / 7,660,428.72-10,571,386.68-4,175,774.16

Finding the Fourth Proportional to 7,660,428.72, 10,571,386.68 and 4,175,774.16

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Solution

The fourth proportional to 7,660,428.72, 10,571,386.68 and 4,175,774.16 is: 5,762,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660,428.72 : 10,571,386.68 = 4,175,774.16 : x
  2. Step 2: Convert to fraction form
    7,660,428.72/10,571,386.68 = 4,175,774.16/x
  3. Step 3: Cross multiply
    7,660,428.72x = 10,571,386.68 × 4,175,774.16
  4. Step 4: Simplify right side
    7,660,428.72x = 44,143,723,333,712.19
  5. Step 5: Solve for x
    x = 44,143,723,333,712.19/7,660,428.72
  6. Step 6: Final answer
    x = 5,762,565.64

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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.