Home / 12,623,341.46-17,423,108.91-7,731,259.38

Finding the Fourth Proportional to 12,623,341.46, 17,423,108.91 and 7,731,259.38

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Solution

The fourth proportional to 12,623,341.46, 17,423,108.91 and 7,731,259.38 is: 10,670,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623,341.46 : 17,423,108.91 = 7,731,259.38 : x
  2. Step 2: Convert to fraction form
    12,623,341.46/17,423,108.91 = 7,731,259.38/x
  3. Step 3: Cross multiply
    12,623,341.46x = 17,423,108.91 × 7,731,259.38
  4. Step 4: Simplify right side
    12,623,341.46x = 134,702,574,189,199.08
  5. Step 5: Solve for x
    x = 134,702,574,189,199.08/12,623,341.46
  6. Step 6: Final answer
    x = 10,670,912.66

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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.