Home / 13,851,760.18-19,115,467.51-7,572,363.39

Finding the Fourth Proportional to 13,851,760.18, 19,115,467.51 and 7,572,363.39

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Solution

The fourth proportional to 13,851,760.18, 19,115,467.51 and 7,572,363.39 is: 10,449,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,760.18 : 19,115,467.51 = 7,572,363.39 : x
  2. Step 2: Convert to fraction form
    13,851,760.18/19,115,467.51 = 7,572,363.39/x
  3. Step 3: Cross multiply
    13,851,760.18x = 19,115,467.51 × 7,572,363.39
  4. Step 4: Simplify right side
    13,851,760.18x = 144,749,266,259,881.12
  5. Step 5: Solve for x
    x = 144,749,266,259,881.12/13,851,760.18
  6. Step 6: Final answer
    x = 10,449,882.50

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1.5x scale

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.