Home / 15,317,377.90-21,137,444.81-8,347,911.91

Finding the Fourth Proportional to 15,317,377.90, 21,137,444.81 and 8,347,911.91

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Solution

The fourth proportional to 15,317,377.90, 21,137,444.81 and 8,347,911.91 is: 11,519,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317,377.90 : 21,137,444.81 = 8,347,911.91 : x
  2. Step 2: Convert to fraction form
    15,317,377.90/21,137,444.81 = 8,347,911.91/x
  3. Step 3: Cross multiply
    15,317,377.90x = 21,137,444.81 × 8,347,911.91
  4. Step 4: Simplify right side
    15,317,377.90x = 176,453,527,213,088.19
  5. Step 5: Solve for x
    x = 176,453,527,213,088.19/15,317,377.90
  6. Step 6: Final answer
    x = 11,519,825.94

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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.