Home / 13,090,131.91-18,064,209.76-7,209,653.14

Finding the Fourth Proportional to 13,090,131.91, 18,064,209.76 and 7,209,653.14

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Solution

The fourth proportional to 13,090,131.91, 18,064,209.76 and 7,209,653.14 is: 9,949,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090,131.91 : 18,064,209.76 = 7,209,653.14 : x
  2. Step 2: Convert to fraction form
    13,090,131.91/18,064,209.76 = 7,209,653.14/x
  3. Step 3: Cross multiply
    13,090,131.91x = 18,064,209.76 × 7,209,653.14
  4. Step 4: Simplify right side
    13,090,131.91x = 130,236,686,554,618
  5. Step 5: Solve for x
    x = 130,236,686,554,618/13,090,131.91
  6. Step 6: Final answer
    x = 9,949,226.45

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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.