Home / 13,057,436.13-18,000,270.44-9,124,983.35

Finding the Fourth Proportional to 13,057,436.13, 18,000,270.44 and 9,124,983.35

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Solution

The fourth proportional to 13,057,436.13, 18,000,270.44 and 9,124,983.35 is: 12,579,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,436.13 : 18,000,270.44 = 9,124,983.35 : x
  2. Step 2: Convert to fraction form
    13,057,436.13/18,000,270.44 = 9,124,983.35/x
  3. Step 3: Cross multiply
    13,057,436.13x = 18,000,270.44 × 9,124,983.35
  4. Step 4: Simplify right side
    13,057,436.13x = 164,252,167,924,870.91
  5. Step 5: Solve for x
    x = 164,252,167,924,870.91/13,057,436.13
  6. Step 6: Final answer
    x = 12,579,205.16

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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.