Home / 13,057,523.52-18,000,391.11-9,125,070.45

Finding the Fourth Proportional to 13,057,523.52, 18,000,391.11 and 9,125,070.45

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Solution

The fourth proportional to 13,057,523.52, 18,000,391.11 and 9,125,070.45 is: 12,579,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,523.52 : 18,000,391.11 = 9,125,070.45 : x
  2. Step 2: Convert to fraction form
    13,057,523.52/18,000,391.11 = 9,125,070.45/x
  3. Step 3: Cross multiply
    13,057,523.52x = 18,000,391.11 × 9,125,070.45
  4. Step 4: Simplify right side
    13,057,523.52x = 164,254,837,006,303.69
  5. Step 5: Solve for x
    x = 164,254,837,006,303.69/13,057,523.52
  6. Step 6: Final answer
    x = 12,579,325.38

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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.