Home / 21,401,304.18-29,533,427.28-13,025,646.36

Finding the Fourth Proportional to 21,401,304.18, 29,533,427.28 and 13,025,646.36

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Solution

The fourth proportional to 21,401,304.18, 29,533,427.28 and 13,025,646.36 is: 17,975,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,401,304.18 : 29,533,427.28 = 13,025,646.36 : x
  2. Step 2: Convert to fraction form
    21,401,304.18/29,533,427.28 = 13,025,646.36/x
  3. Step 3: Cross multiply
    21,401,304.18x = 29,533,427.28 × 13,025,646.36
  4. Step 4: Simplify right side
    21,401,304.18x = 384,691,979,548,056.69
  5. Step 5: Solve for x
    x = 384,691,979,548,056.69/21,401,304.18
  6. Step 6: Final answer
    x = 17,975,165.27

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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.