Home / 7,565,702.38-10,428,472.71-5,117,420.58

Finding the Fourth Proportional to 7,565,702.38, 10,428,472.71 and 5,117,420.58

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Solution

The fourth proportional to 7,565,702.38, 10,428,472.71 and 5,117,420.58 is: 7,053,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565,702.38 : 10,428,472.71 = 5,117,420.58 : x
  2. Step 2: Convert to fraction form
    7,565,702.38/10,428,472.71 = 5,117,420.58/x
  3. Step 3: Cross multiply
    7,565,702.38x = 10,428,472.71 × 5,117,420.58
  4. Step 4: Simplify right side
    7,565,702.38x = 53,366,880,864,122.38
  5. Step 5: Solve for x
    x = 53,366,880,864,122.38/7,565,702.38
  6. Step 6: Final answer
    x = 7,053,790.67

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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.