Home / 18,536,430.80-27,823,308.60-8,959,509.20

Finding the Fourth Proportional to 18,536,430.80, 27,823,308.60 and 8,959,509.20

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Solution

The fourth proportional to 18,536,430.80, 27,823,308.60 and 8,959,509.20 is: 13,448,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,430.80 : 27,823,308.60 = 8,959,509.20 : x
  2. Step 2: Convert to fraction form
    18,536,430.80/27,823,308.60 = 8,959,509.20/x
  3. Step 3: Cross multiply
    18,536,430.80x = 27,823,308.60 × 8,959,509.20
  4. Step 4: Simplify right side
    18,536,430.80x = 249,283,189,376,139.12
  5. Step 5: Solve for x
    x = 249,283,189,376,139.12/18,536,430.80
  6. Step 6: Final answer
    x = 13,448,284.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.