Home / 18,208,478.34-25,127,406.99-9,948,363.30

Finding the Fourth Proportional to 18,208,478.34, 25,127,406.99 and 9,948,363.30

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Solution

The fourth proportional to 18,208,478.34, 25,127,406.99 and 9,948,363.30 is: 13,728,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,478.34 : 25,127,406.99 = 9,948,363.30 : x
  2. Step 2: Convert to fraction form
    18,208,478.34/25,127,406.99 = 9,948,363.30/x
  3. Step 3: Cross multiply
    18,208,478.34x = 25,127,406.99 × 9,948,363.30
  4. Step 4: Simplify right side
    18,208,478.34x = 249,976,573,523,479.47
  5. Step 5: Solve for x
    x = 249,976,573,523,479.47/18,208,478.34
  6. Step 6: Final answer
    x = 13,728,581.21

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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.