Home / 12,691,088.01-17,513,904.96-6,889,865.13

Finding the Fourth Proportional to 12,691,088.01, 17,513,904.96 and 6,889,865.13

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Solution

The fourth proportional to 12,691,088.01, 17,513,904.96 and 6,889,865.13 is: 9,508,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691,088.01 : 17,513,904.96 = 6,889,865.13 : x
  2. Step 2: Convert to fraction form
    12,691,088.01/17,513,904.96 = 6,889,865.13/x
  3. Step 3: Cross multiply
    12,691,088.01x = 17,513,904.96 × 6,889,865.13
  4. Step 4: Simplify right side
    12,691,088.01x = 120,668,443,074,038.05
  5. Step 5: Solve for x
    x = 120,668,443,074,038.05/12,691,088.01
  6. Step 6: Final answer
    x = 9,508,124.36

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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.